The embodiments of the invention in which an exclusive property or privilege we claim are as follows:1. An information display system suitable for use in a vehicle, said display system comprising:an interior rearview mirror assembly;said interior rearview mirror assembly adapted for attachment to an interior portion of the vehicle, said interior portion comprising one of a windshield portion and a header portion;said interior rearview mirror assembly including a mirror case and a variable reflectance reflective element;said reflective element comprising a mirror reflector;said mirror reflector comprising a reflecting metal film, said reflecting metal film comprising at least one selected from a silver metal film, an aluminum metal film, a silver alloy metal film, and an aluminum alloy metal film;said variable reflectance reflective element comprising an electrochromic reflective element;said electrochromic reflective element including a first sheet having a first surface and a second surface, and a second sheet having a third surface and a fourth surface, said second surface of said first sheet opposing said third surface of said second sheet, said second surface of said first sheet being closer to said third surface of said second sheet than said first surface of said first sheet;an electrochromic medium between said second surface of said first sheet and said third surface of said second sheet, said electrochromic medium having a light transmittance which varies when electrical voltage is applied across said electrochromic medium to thereby vary the reflectivity of said reflective element;said first sheet including a transparent electroconductive coating on said second surface thereof;an information display element disposed to the rear of said second sheet of said electrochromic reflective element of said interior rearview mirror assembly;said information display element comprising a plurality of non-incandescent light emitting elements;wherein said mirror reflector is disposed on said third surface of said second sheet;wherein a region of said mirror reflector disposed on said third surface of said second sheet is adapted to form a light transmitting portion, said adaptation of said mirror reflector comprising an absence of said reflecting metal film at said region of said mirror reflector;wherein said information display element is positioned in said interior rearview mirror assembly at and generally aligned with said light transmitting portion of said mirror reflector of said reflective element such that light emitted by said plurality of non-incandescent light emitting elements passes through said light transmitting portion of said mirror reflector of said reflective element;a control;said control controlling the light intensity emitted by said plurality of non-incandescent light emitting elements for displaying information observable at said light transmitting portion of said mirror reflector of said reflective element by a driver of the vehicle when said interior rearview mirror assembly is attached to said interior portion of the vehicle; andwherein information displayed by said information display element is formed by selective actuation of at least one light emitting element of said plurality of non-incandescent light emitting elements.2. The information display system according to claim 1, wherein said interior mirror assembly comprises a support adapted for attaching to said interior portion of the vehicle, said mirror case pivotally mounted to said support.3. The information display system according to claim 2, wherein said support comprises a dual ball joint support.4. The information display system according to claim 3, wherein said interior portion comprises a windshield portion.5. The information display system according to claim 2, wherein said interior rearview mirror assembly attaches via a breakaway attachment to said interior portion of the vehicle.6. The information display system according to claim 5, wherein said interior portion comprises a windshield portion.7. The information display system according to claim 2, wherein said interior portion comprises a header portion.8. The information display system according to claim 2, wherein said interior mirror assembly is adapted for attachment to a mirror mounting button.9. The information display system according to claim 1, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises a silver metal film.10. The information display system according to claim 1, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises a silver alloy metal film.11. The information display system according to claim 1, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises one chosen from an aluminum metal film and an aluminum alloy metal film.12. The information display system according to claim 1, wherein said first sheet comprises a glass sheet having a first thickness and said second sheet comprises a glass sheet having a second thickness, and wherein said first thickness differs from said second thickness.13. The information display system according to claim 1, wherein at least one of said first sheet and said second sheet comprises a glass sheet of thickness no greater than about 1.6 millimeters.14. The information display system according to claim 1, wherein said first sheet comprises a glass sheet having a first thickness and said second sheet comprises a glass sheet having a second thickness, and wherein said first thickness is less than said second thickness.15. The information display system according to claim 14, wherein first thickness is less than about 1.6 millimeters.16. The information display system according to claim 1, wherein said control controlling the light intensity emitted by said plurality of non-incandescent light emitting elements increases the light intensity emitted by said plurality of non-incandescent light emitting elements to compensate for any decrease in transmission of said electrochromic medium.17. The information display system according to claim 1, wherein said interior rearview mirror assembly comprises at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.18. The information display system according to claim 1, further comprising a carrier positioned in said case, said carrier supporting said plurality of non-incandescent light emitting elements, said carrier aligning said information display element with said light transmitting portion of said mirror reflector.19. The information display system according to claim 18, further comprising at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.20. The information display system according to claim 19, wherein said carrier includes said at least one electrically operated accessory.21. The information display system according to claim 1, further comprising a carrier member supporting said plurality of non-incandescent light emitting elements, said carrier member positioned in said mirror case and aligning said information display element with said light transmitting portion of said mirror reflector.22. The information display system according to claim 1, wherein said information display element comprises an air bag activation status information display element.23. The information display system according to claim 1, wherein at least one of said plurality of non-incandescent light emitting elements comprises a light emitting diode.24. The information display system according to claim 22, wherein at least one of said plurality of non-incandescent light emitting elements comprises a light emitting diode.25. The information display system according to claim 21, wherein said carrier member includes at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.26. The information display system according to claim 21, wherein said carrier member includes said plurality of non-incandescent light emitting elements.27. The information display system according to claim 26, wherein each of said plurality of light emitting elements is isolated from an adjacent light emitting element.28. The information display system according to claim 21, wherein said carrier member is mounted to one of said mirror case and said reflective element.29. The information display system according to claim 21, wherein said carrier member is mounted to said reflective element.30. The information display system according to claim 29, wherein said carrier member is adhesively attached to said reflective element.31. The information display system according to claim 18, wherein said reflecting metal film comprises a metal film chosen from a silver film, an aluminum film, and a silver alloy film.32. The information display system according to claim 1, comprising a user actuatable interface at said interior mirror assembly.33. The information display system according to claim 32, comprising a user actuatable interface at said mirror case.34. The information display system according to claim 33, wherein said user actuatable interface provides user interface to a telecommunications system.35. The information display system according to claim 34, wherein said control controlling the light intensity emitted by said plurality of non-incandescent light emitting elements increases the light intensity emitted by said plurality of non-incandescent light emitting elements to compensate for any decrease in transmission of said electrochromic medium.36. The information display system according to claim 35, further comprising a carrier member supporting said plurality of non-incandescent light emitting elements, said carrier member positioned in said mirror case and aligning said information display element with said light transmitting portion of said mirror reflector, and wherein said carrier includes said at least one electrically operated accessory.37. The information display system according to claim 36, wherein said at least one electrically operated accessory is chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.38. The information display system according to claim 21, wherein said carrier member includes a cavity, said information display element positioned in said cavity, said cavity including a reflecting surface.39. The information display system according to claim 38, wherein said carrier member includes said plurality of light emitting elements and a plurality of said cavities, a light emitting element of said plurality of light emitting elements being associated with each of said cavities.40. The information display system according to claim 1, wherein said information display element includes a printing on a surface thereof.41. The information display system according to claim 40, wherein at least one of said plurality of light emitting elements comprises a light emitting diode.42. The information display system according to claim 1, wherein said at least one selectively-actuated light emitting element of said plurality of non-incandescent light emitting elements is selected from the group consisting of a light emitting diode, a vacuum fluorescent element, an electroluminescent element, a field-emission element, and a polymeric light emitting element.43. The information display system according to claim 1, further including at least one light sensor, and wherein said control adjusts the display intensity of said information display element in accordance with a light level detected by said at least one light sensor.44. The information display system according to claim 1, wherein said control adjusts the display intensity of said information display element by use of pulse-width modulation.45. The information display system according to claim 34, wherein said interior mirror assembly comprises at least one microphone.46. The information display system according to claim 34, wherein said user actuatable interface includes a button comprising a resilient material.47. The information display system according to claim 46, wherein said resilient material comprises a silicone material.48. The information display system according to claim 34, wherein said user actuatable interface includes a plurality of buttons comprising a key pad.49. The information display system according to claim 34, wherein said mirror case comprises at least one microphone.50. The information display system according to claim 2, wherein said interior rearview mirror assembly comprises a user actuatable interface, said user actuatable interface providing user interface to a telecommunications system, and wherein said interior mirror assembly includes at least one microphone.51. The information display system according to claim 50, wherein said at least one microphone provides a vocal input to said telecommunications system.52. The information display system according to claim 51, wherein said at least one microphone provides a vocal input to a digital sound processor.53. The information display system according to claim 51, wherein said at least one microphone provides a hands-free input to said telecommunication system.54. The information display system according to claim 1, wherein said interior mirror assembly comprises a part of an in-vehicle area network.55. The information display system according to claim 1, wherein said interior mirror assembly communicates via a wireless link with another vehicular accessory.56. The information display system according to claim 1, wherein said information display element displays at least one indicia chosen from an alphanumeric indicia, a graphical indicia, and a symbolic indicia.57. The information display system according to claim 1, wherein said electrochromic medium comprises an electrochemichromic medium.58. The information display system according to claim 1, wherein said electrochromic medium comprises a solid electrochromic medium.59. The information display system according to claim 1, wherein said information display element is positioned in said interior rearview mirror assembly at and generally aligned with said light transmitting portion of said mirror reflector of said reflective element generally at a central, lower edge of said reflective element.60. The information display system according to claim 59, wherein said light transmitting portion of said mirror reflector of said reflective element comprises a generally trapezoidal light transmitting portion.61. The information display system according to claim 1, wherein said plurality of non-incandescent light emitting elements comprises a plurality of light emitting diodes.62. The information display system according to claim 61, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting diode of said plurality of light emitting diodes.63. The information display system according to claim 61, wherein said information display element comprises an air bag activation status information display element.64. The information display system according to claim 1, wherein said plurality of non-incandescent light emitting elements comprises a plurality of light emitting diodes.65. The information display system according to claim 64, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting diode of said plurality of light emitting diodes.66. The information display system according to claim 65, wherein said information display element comprises an air bag activation status information display element.67. An information display system suitable for use in a vehicle, said display system comprising:an interior rearview mirror assembly;said interior rearview mirror assembly adapted for attachment to an interior portion of the vehicle, said interior portion comprising one of a windshield portion and a header portion;said interior rearview mirror assembly including a mirror case and a variable reflectance reflective element;said reflective element comprising a mirror reflector;said mirror reflector comprising a reflecting metal film, said reflecting metal film comprising at least one chosen from a silver metal film, an aluminum metal film, a silver alloy metal film, and an aluminum alloy metal film;said variable reflectance reflective element comprising an electrochromic reflective element;said electrochromic reflective element including a first sheet having a first surface and a second surface, and a second sheet having a third surface and a fourth surface, said second surface of said first sheet opposing said third surface of said second sheet, said second surface of said first sheet being closer to said third surface of said second sheet than said first surface of said first sheet;an electrochromic medium between said second surface of said first sheet and said third surface of said second sheet, said electrochromic medium having a light transmittance which varies when electrical voltage is applied across said electrochromic medium to thereby vary the reflectivity of said reflective element;said first sheet including a transparent electroconductive coating on said second surface thereof;an information display element disposed to the rear of said second sheet of said electrochromic reflective element of said interior rearview mirror assembly;said information display element comprising at least one non-incandescent light emitting element;wherein said mirror reflector is disposed on said third surface of said second sheet;wherein a region of said mirror reflector disposed on said third surface of said second sheet is adapted to form a light transmitting portion, said adaptation of said mirror reflector comprising an absence of said reflecting metal film at said region of said mirror reflector;wherein said information display element is positioned in said interior rearview mirror assembly at and generally aligned with said light transmitting portion of said mirror reflector of said reflective element such that light emitted by said at least one light emitting element passes through said light transmitting portion of said mirror reflector of said reflective element;a control;said control controlling the light intensity emitted by said at least one light emitting element for displaying information observable at said light transmitting portion of said mirror reflector of said reflective element by a driver of the vehicle when said interior rearview mirror assembly is attached to said interior portion of the vehicle; andwherein said at least one non-incandescent light emitting element is selected from the group consisting of a light emitting diode, a vacuum fluorescent element, an electroluminescent element, a field-emission element, and a polymeric light emitting element.68. The information display system according to claim 67, wherein said interior mirror assembly comprises a support adapted for attaching to said interior portion of the vehicle, said mirror case pivotally mounted to said support.69. The information display system according to claim 68, wherein said support comprises a dual ball joint support.70. The information display system according to claim 69, wherein said interior portion comprises a windshield portion.71. The information display system according to claim 68, wherein said interior rearview mirror assembly attaches via a breakaway attachment to said interior portion of the vehicle.72. The information display system according to claim 71, wherein said interior portion comprises a windshield portion.73. The information display system according to claim 68, wherein said interior portion comprises a header portion.74. The information display system according to claim 68, wherein said interior mirror assembly is adapted for attachment to a mirror mounting button.75. The information display system according to claim 67, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises a silver metal film.76. The information display system according to claim 67, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises a silver alloy metal film.77. The information display system according to claim 67, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises one chosen from an aluminum metal film and an aluminum alloy metal film.78. The information display system according to claim 67, wherein said first sheet comprises a glass sheet having a first thickness and said second sheet comprises a glass sheet having a second thickness, and wherein said first thickness differs from said second thickness.79. The information display system according to claim 67, wherein at least one of said first sheet and said second sheet comprises a glass sheet of thickness no greater than about 1.6 millimeters.80. The information display system according to claim 67, wherein said first sheet comprises a glass sheet having a first thickness and said second sheet comprises a glass sheet having a second thickness, and wherein said first thickness is less than said second thickness.81. The information display system according to claim 80, wherein first thickness is less than about 1.6 millimeters.82. The information display system according to claim 67, wherein said control controlling the light intensity emitted by said at least one light emitting element increases the light intensity emitted by said at least one light emitting element to compensate for any decrease in transmission of said electrochromic medium.83. The information display system according to claim 67, wherein said interior rearview mirror assembly comprises at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.84. The information display system according to claim 67, further comprising a carrier positioned in said case, said carrier supporting said at least one light emitting element, said carrier aligning said information display element with said light transmitting portion of said mirror reflector.85. The information display system according to claim 84, further comprising at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.86. The information display system according to claim 85, wherein said carrier includes said at least one electrically operated accessory.87. The information display system according to claim 67, further comprising a carrier member supporting said at least one light emitting element, said carrier member positioned in said mirror case and aligning said information display element with said light transmitting portion of said mirror reflector.88. The information display system according to claim 67, wherein said information display element comprises an air bag activation status information display element.89. The information display system according to claim 67, wherein said at least one light emitting element comprises at least one light emitting diode.90. The information display system according to claim 88, wherein said at least one light emitting element comprises at least one light emitting diode.91. The information display system according to claim 87, wherein said carrier member includes at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.92. The information display system according to claim 87, wherein said carrier member includes a plurality of light emitting elements.93. The information display system according to claim 92, wherein each of said light emitting elements is isolated from an adjacent light emitting element.94. The information display system according to claim 87, wherein said carrier member is mounted to one of said mirror case and said reflective element.95. The information display system according to claim 87, wherein said carrier member is mounted to said reflective element.96. The information display system according to claim 95, wherein said carrier member is adhesively attached to said reflective element.97. The information display system according to claim 84, wherein said reflecting metal film comprises a metal film chosen from a silver film, an aluminum film, and a silver alloy film.98. The information display system according to claim 67, comprising a user actuatable interface at said interior mirror assembly.99. The information display system according to claim 98, comprising a user actuatable interface at said mirror case.100. The information display system according to claim 99, wherein said user actuatable interface provides user interface to a telecommunications system.101. The information display system according to claim 100, wherein said control controlling the light intensity emitted by said at least one light emitting element increases the light intensity emitted by said at least one light emitting element to compensate for any decrease in transmission of said electrochromic medium.102. The information display system according to claim 101, further comprising a carrier member supporting said at least one light emitting element, said carrier member positioned in said mirror case and aligning said information display element with said light transmitting portion of said mirror reflector, and wherein said carrier includes said at least one electrically operated accessory.103. The information display system according to claim 102, wherein said at least one electrically operated accessory is chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.104. The information display system according to claim 87, wherein said carrier member includes a cavity, said information display element positioned in said cavity, said cavity including a reflecting surface.105. The information display system according to claim 104, wherein said carrier member includes a plurality of light emitting elements and a plurality of said cavities, a light emitting element being associated with each of said cavities.106. The information display system according to claim 67, wherein said information display element includes a printing on a surface thereof.107. The information display system according to claim 106, wherein said at least one non-incandescent light emitting element comprises at least one light emitting diode.108. The information display system according to claim 67, wherein said information display element comprises a plurality of light emitting diodes and wherein information displayed by said information display element is formed by selective actuation of said light emitting diodes.109. The information display system according to claim 67, further including at least one light sensor, and wherein said control adjusts the display intensity of said information display element in accordance with a light level detected by said at least one light sensor.110. The information display system according to claim 67, wherein said control adjusts the display intensity of said information display element by use of pulse-width modulation.111. The information display system according to claim 100, wherein said interior mirror assembly comprises at least one microphone.112. The information display system according to claim 100, wherein said user actuatable interface includes a button comprising a resilient material.113. The information display system according to claim 112, wherein said resilient material comprises a silicone material.114. The information display system according to claim 100, wherein said user actuatable interface includes a plurality of buttons comprising a key pad.115. The information display system according to claim 100, wherein said mirror case comprises at least one microphone.116. The information display system according to claim 68, wherein said interior rearview mirror assembly comprises a user actuatable interface, said user actuatable interface providing user interface to a telecommunications system, and wherein said interior mirror assembly includes at least one microphone.117. The information display system according to claim 116, wherein said at least one microphone provides a vocal input to said telecommunications system.118. The information display system according to claim 117, wherein said at least one microphone provides a vocal input to a digital sound processor.119. The information display system according to claim 117, wherein said at least one microphone provides a hands-free input to said telecommunication system.120. The information display system according to claim 67, wherein said interior mirror assembly comprises a part of an in-vehicle area network.121. The information display system according to claim 67, wherein said interior mirror assembly communicates via a wireless link with another vehicular accessory.122. The information display system according to claim 67, wherein said information display element displays at least one indicia chosen from an alphanumeric indicia, a graphical indicia, and a symbolic indicia.123. The information display system according to claim 67, wherein said electrochromic medium comprises an electrochemichromic medium.124. The information display system according to claim 67, wherein said electrochromic medium comprises a solid electrochromic medium.125. The information display system according to claim 67, wherein said information display element is positioned in said interior rearview mirror assembly at and generally aligned with said light transmitting portion of said mirror reflector of said reflective element generally at a central, lower edge of said reflective element.126. The information display system according to claim 125, wherein said light transmitting portion of said mirror reflector of said reflective element comprises a generally trapezoidal light transmitting portion.127. The information display system according to claim 67, wherein said at least one non-incandescent light emitting element comprises a plurality of light emitting diodes.128. The information display system according to claim 127, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting diode of said plurality of light emitting diodes.129. The information display system according to claim 128, wherein said information display element comprises an air bag activation status information display element.130. The information display system according to claim 68, wherein said at least one non-incandescent light emitting element comprises a plurality of light emitting diodes.131. The information display system according to claim 130, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting diode of said plurality of light emitting diodes.132. The information display system according to claim 131, wherein said information display element comprises an air bag activation status information display element.133. An information display system suitable for use in a vehicle, said display system comprising:an interior rearview mirror assembly;said interior rearview mirror assembly adapted for attachment to an interior portion of the vehicle, said interior portion comprising one of a windshield portion and a header portion;said interior rearview mirror assembly including a mirror case and a variable reflectance reflective element;said reflective element comprising a mirror reflector;said mirror reflector comprising a reflecting metal film;said variable reflectance reflective element comprising an electro-optic reflective element;said electro-optic reflective element including a first sheet having a first surface and a second surface, and a second sheet having a third surface and a fourth surface, said second surface of said first sheet opposing said third surface of said second sheet, said second surface of said first sheet being closer to said third surface of said second sheet than said first surface of said first sheet;an electro-optic medium between said second surface of said first sheet and said third surface of said second sheet, said electro-optic medium having a light transmittance which varies when electrical voltage is applied across said electro-optic medium to thereby vary the reflectivity of said reflective element;said first sheet including a transparent electroconductive coating on said second surface thereof;an information display element disposed to the rear of said second sheet of said electro-optic reflective element of said interior rearview mirror assembly;said information display element comprising a plurality of non-incandescent light emitting elements;wherein said mirror reflector is disposed on said third surface of said second sheet;wherein a region of said mirror reflector disposed on said third surface of said second sheet is adapted to form a light transmitting portion, said adaptation of said mirror reflector comprising an absence of said reflecting metal film at said region of said mirror reflector;wherein said information display element is positioned in said interior rearview mirror assembly at and generally aligned with said light transmitting portion of said mirror reflector of said reflective element such that light emitted by said plurality of non-incandescent light emitting elements passes through said light transmitting portion of said mirror reflector of said reflective element;a control;said control controlling the light intensity emitted by said plurality of non-incandescent light emitting elements for displaying information observable at said light transmitting portion of said mirror reflector of said reflective element by a driver of the vehicle when said interior rearview mirror assembly is attached to said interior portion of the vehicle; andwherein said interior rearview mirror assembly comprises a user actuatable interface, said user actuatable interface providing user interface to a telecommunications system, and wherein said interior mirror assembly includes at least one microphone.134. The information display system according to claim 133, wherein said interior mirror assembly comprises a support adapted for attaching to said interior portion of the vehicle, said mirror case pivotally mounted to said support.135. The information display system according to claim 134, wherein said support comprises a dual ball joint support.136. The information display system according to claim 135, wherein said interior portion comprises a windshield portion.137. The information display system according to claim 134, wherein said interior rearview mirror assembly attaches via a breakaway attachment to said interior portion of the vehicle.138. The information display system according to claim 137, wherein said interior portion comprises a windshield portion.139. The information display system according to claim 134, wherein said interior portion comprises a header portion.140. The information display system according to claim 134, wherein said interior mirror assembly is adapted for attachment to a mirror mounting button.141. The information display system according to claim 133, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises a silver metal film.142. The information display system according to claim 133, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises a silver alloy metal film.143. The information display system according to claim 133, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises one chosen from an aluminum metal film and an aluminum alloy metal film.144. The information display system according to claim 133, wherein said first sheet comprises a glass sheet having a first thickness and said second sheet comprises a glass sheet having a second thickness, and wherein said first thickness differs from said second thickness.145. The information display system according to claim 133, wherein at least one of said first sheet and said second sheet comprises a glass sheet of thickness no greater than about 1.6 millimeters.146. The information display system according to claim 133, wherein said first sheet comprises a glass sheet having a first thickness and said second sheet comprises a glass sheet having a second thickness, and wherein said first thickness is less than said second thickness.147. The information display system according to claim 146, wherein first thickness is less than about 1.6 millimeters.148. The information display system according to claim 133, wherein said control controlling the light intensity emitted by said plurality of non-incandescent light emitting elements increases the light intensity emitted by said plurality of non-incandescent light emitting elements to compensate for any decrease in transmission of said electro-optic medium.149. The information display system according to claim 133, wherein said interior rearview mirror assembly comprises at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.150. The information display system according to claim 133, further comprising a carrier positioned in said case, said carrier supporting said plurality of non-incandescent light emitting elements, said carrier aligning said information display element with said light transmitting portion of said mirror reflector.151. The information display system according to claim 150, further comprising at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.152. The information display system according to claim 151, wherein said carrier includes said at least one electrically operated accessory.153. The information display system according to claim 133, further comprising a carrier member supporting said plurality of non-incandescent light emitting elements, said carrier member positioned in said mirror case and aligning said information display element with said light transmitting portion of said mirror reflector.154. The information display system according to claim 133, wherein said information display element comprises an air bag activation status information display element.155. The information display system according to claim 133, wherein at least one of said plurality of non-incandescent light emitting elements comprises a light emitting diode.156. The information display system according to claim 154, wherein said at least one of plurality of non-incandescent light emitting elements comprises a light emitting diode.157. The information display system according to claim 153, wherein said carrier member includes at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.158. The information display system according to claim 153, wherein said carrier member includes said plurality of non-incandescent light emitting elements.159. The information display system according to claim 158, wherein each of said plurality of light emitting elements is isolated from an adjacent light emitting element.160. The information display system according to claim 153, wherein said carrier member is mounted to one of said mirror case and said reflective element.161. The information display system according to claim 153, wherein said carrier member is mounted to said reflective element.162. The information display system according to claim 161, wherein said carrier member is adhesively attached to said reflective element.163. The information display system according to claim 150, wherein said reflecting metal film comprises a metal film chosen from a silver film, an aluminum film and a silver alloy film.164. The information display system according to claim 133, said reflecting metal film comprising at least one of a silver metal film, an aluminum metal film, a silver alloy metal film and an aluminum alloy metal film.165. The information display system according to claim 133, comprising a user actuatable interface at said mirror case.166. The information display system according to claim 165, wherein said information display element comprises an air bag activation status information display element.167. The information display system according to claim 166, wherein said control controlling the light intensity emitted by said plurality of non-incandescent light emitting elements increases the light intensity emitted by said plurality of non-incandescent light emitting elements to compensate for any decrease in transmission of said electro-optic medium.168. The information display system according to claim 167, further comprising a carrier member supporting said plurality of non-incandescent light emitting elements, said carrier member positioned in said mirror case and aligning said information display element with said light transmitting portion of said mirror reflector, and wherein said carrier includes said at least one electrically operated accessory.169. The information display system according to claim 168, wherein said at least one electrically operated accessory is chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.170. The information display system according to claim 153, wherein said carrier member includes a cavity, said information display element positioned in said cavity, said cavity including a reflecting surface.171. The information display system according to claim 170, wherein said carrier member includes said plurality of light emitting elements and a plurality of said cavities, a light emitting element of said plurality of light emitting elements being associated with each of said cavities.172. The information display system according to claim 133, wherein said information display element includes a printing on a surface thereof.173. The information display system according to claim 172, wherein at least one of said non-incandescent light emitting elements comprises at least one light emitting diode.174. The information display system according to claim 133, wherein said at least one selectively-actuated light emitting element of said plurality of non-incandescent light emitting elements is selected from the group consisting of a light emitting diode, a vacuum fluorescent element, an electroluminescent element, a field-emission element, and a polymeric light emitting element.175. The information display system according to claim 133, further including at least one light sensor, and wherein said control adjusts the display intensity of said information display element in accordance with a light level detected by said at least one light sensor.176. The information display system according to claim 133, wherein said control adjusts the display intensity of said information display element by use of pulse-width modulation.177. The information display system according to claim 166, wherein said interior mirror assembly comprises a plurality of microphones.178. The information display system according to claim 133, wherein said user actuatable interface includes a button comprising a resilient material.179. The information display system according to claim 178, wherein said resilient material comprises a silicone material.180. The information display system according to claim 133, wherein said user actuatable interface includes a plurality of buttons comprising a key pad.181. The information display system according to claim 180, wherein said information display element comprises an air bag activation status information display element.182. The information display system according to claim 133, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting element of said plurality of non-incandescent light emitting elements.183. The information display system according to claim 133, wherein said at least one microphone provides a vocal input to said telecommunications system.184. The information display system according to claim 183, wherein said at least one microphone provides a vocal input to a digital sound processor.185. The information display system according to claim 183, wherein said at least one microphone provides a hands-free input to said telecommunication system.186. The information display system according to claim 133, wherein said interior mirror assembly comprises a part of an in-vehicle area network.187. The information display system according to claim 133, wherein said interior mirror assembly communicates via a wireless link with another vehicular accessory.188. The information display system according to claim 133, wherein said information display element displays at least one indicia chosen from an alphanumeric indicia, a graphical indicia, and a symbolic indicia.189. The information display system according to claim 133, wherein said electro-optic reflective element comprises an electrochromic reflective element.190. The information display system according to claim 189, wherein said electro-optic medium comprises an electrochromic medium.191. The information display system according to claim 190, wherein said electrochromic medium comprises an electrochemichromic medium.192. The information display system according to claim 190, wherein said electrochromic medium comprises a solid electrochromic medium.193. The information display system according to claim 133, wherein said information display element is positioned in said interior rearview mirror assembly at and generally aligned with said light transmitting portion of said mirror reflector of said reflective element generally at a central, of said reflective element.194. The information display system according to claim 193, wherein said light transmitting portion of said mirror reflector of said reflective element comprises a generally trapezoidal light transmitting portion.195. The information display system according to claim 193, wherein said plurality of non-incandescent light emitting elements comprises a plurality of light emitting diodes.196. The information display system according to claim 195, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting diode of said plurality of light emitting diodes.197. The information display system according to claim 196, wherein said information display element comprises an air bag activation status information display element.198. The information display system according to claim 133, wherein said plurality of non-incandescent light emitting elements comprises a plurality of light emitting diodes.199. The information display system according to claim 198, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting diode of said plurality of light emitting diodes.200. The information display system according to claim 199, wherein said information display element comprises an air bag activation status information display element.201. An information display system suitable for use in a vehicle, said display system comprising:an interior rearview mirror assembly;said interior rearview mirror assembly adapted for attachment to an interior portion of the vehicle, said interior portion comprising one of a windshield portion and a header portion;said interior rearview mirror assembly including a mirror case and a variable reflectance reflective element;said reflective element comprising a mirror reflector;said mirror reflector comprising a reflecting metal film;said variable reflectance reflective element comprising an electro-optic reflective element;said electro-optic reflective element including a first sheet having a first surface and a second surface, and a second sheet having a third surface and a fourth surface, said second surface of said first sheet opposing said third surface of said second sheet, said second surface of said first sheet being closer to said third surface of said second sheet than said first surface of said first sheet;an electro-optic medium between said second surface of said first sheet and said third surface of said second sheet, said electro-optic medium having a light transmittance which varies when electrical voltage is applied across said electro-optic medium to thereby vary the reflectivity of said reflective element;said first sheet including a transparent electroconductive coating on said second surface thereof;an information display element disposed to the rear of said second sheet of said electro-optic reflective element of said interior rearview mirror assembly;said information display element comprising a plurality of non-incandescent light emitting elements;wherein said mirror reflector is disposed on said third surface of said second sheet;wherein a region of said mirror reflector disposed on said third surface of said second sheet is adapted to form a light transmitting portion, said adaptation of said mirror reflector comprising an absence of said reflecting metal film at said region of said mirror reflector;wherein said information display element is positioned in said interior rearview mirror assembly at and generally aligned with said light transmitting portion of said mirror reflector of said reflective element such that light emitted by said plurality of non-incandescent light emitting elements passes through said light transmitting portion of said mirror reflector of said reflective element;a control;said control controlling the light intensity emitted by said plurality of non-incandescent light emitting elements for displaying information observable at said light transmitting portion of said mirror reflector of said reflective element by a driver of the vehicle when said interior rearview mirror assembly is attached to said interior portion of the vehicle; andwherein said information display element is positioned in said interior rearview mirror assembly at and generally aligned with said light transmitting portion of said mirror reflector of said reflective element generally at a central, lower edge of said reflective element.202. The information display system according to claim 201, wherein said interior mirror assembly comprises a support adapted for attaching to said interior portion of the vehicle, said mirror case pivotally mounted to said support.203. The information display system according to claim 202, wherein said support comprises a dual ball joint support.204. The information display system according to claim 203, wherein said interior portion comprises a windshield portion.205. The information display system according to claim 202, wherein said interior rearview mirror assembly attaches via a breakaway attachment to said interior portion of the vehicle.206. The information display system according to claim 205, wherein said interior portion comprises a windshield portion.207. The information display system according to claim 202, wherein said interior portion comprises a header portion.208. The information display system according to claim 202, wherein said interior mirror assembly is adapted for attachment to a mirror mounting button.209. The information display system according to claim 201, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises a silver metal film.210. The information display system according to claim 201, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises a silver alloy metal film.211. The information display system according to claim 201, wherein said reflecting metal film of said metal reflector disposed on said third surface of said second sheet comprises one chosen from an aluminum metal film and an aluminum alloy metal film.212. The information display system according to claim 201, wherein said first sheet comprises a glass sheet having a first thickness and said second sheet comprises a glass sheet having a second thickness, and wherein said first thickness differs from said second thickness.213. The information display system according to claim 201, wherein at least one of said first sheet and said second sheet comprises a glass sheet of thickness no greater than about 1.6 millimeters.214. The information display system according to claim 201, wherein said first sheet comprises a glass sheet having a first thickness and said second sheet comprises a glass sheet having a second thickness, and wherein said first thickness is less than said second thickness.215. The information display system according to claim 214, wherein first thickness is less than about 1.6 millimeters.216. The information display system according to claim 201, wherein said control controlling the light intensity emitted by said plurality of non-incandescent light emitting elements increases the light intensity emitted by said plurality of non-incandescent light emitting elements to compensate for any decrease in transmission of said electro-optic medium.217. The information display system according to claim 201, wherein said interior rearview mirror assembly comprises at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.218. The information display system according to claim 201, further comprising a carrier positioned in said case, said carrier supporting said plurality of non-incandescent light emitting elements, said carrier aligning said information display element with said light transmitting portion of said mirror reflector.219. The information display system according to claim 218, further comprising at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.220. The information display system according to claim 219, wherein carrier includes said at least one electrically operated accessory.221. The information display system according to claim 201, further comprising a carrier member supporting said plurality of non-incandescent light emitting elements, said carrier member positioned in said mirror case and aligning said information display element with said light transmitting portion of said mirror reflector.222. The information display system according to claim 201, wherein said information display element comprises an air bag activation status information display element.223. The information display system according to claim 201, wherein at least one of said plurality of non-incandescent light emitting elements comprises a light emitting diode.224. The information display system according to claim 222, wherein at least one of said plurality of non-incandescent light emitting elements comprises a light emitting diode.225. The information display system according to claim 221, wherein said carrier member includes at least one electrically operated accessory chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.226. The information display system according to claim 221, wherein said carrier member includes said plurality of non-incandescent light emitting elements.227. The information display system according to claim 226, wherein each of said plurality of light emitting elements is isolated from an adjacent light emitting element.228. The information display system according to claim 221, wherein said carrier member is mounted to one of said mirror case and said reflective element.229. The information display system according to claim 221, wherein said carrier member is mounted to said reflective element.230. The information display system according to claim 229, wherein said carrier member is adhesively attached to said reflective element.231. The information display system according to claim 218, wherein said reflecting metal film comprises a metal film chosen from a silver film, an aluminum film, and a silver alloy film.232. The information display system according to claim 201, said reflecting metal film comprising at least one chosen from a silver metal film, an aluminum metal film, a silver alloy metal film, and an aluminum alloy metal film.233. The information display system according to claim 201, wherein said interior rearview mirror assembly comprises a user actuatable interface, said user actuatable interface providing user interface to a telecommunications system, and wherein said interior mirror assembly includes at least one microphone.234. The information display system according to claim 233, wherein said information display element comprises an air bag activation status information display element.235. The information display system according to claim 234, wherein said control controlling the light intensity emitted by said plurality of non-incandescent light emitting elements increases the light intensity emitted by said plurality of non-incandescent light emitting elements to compensate for any decrease in transmission of said electro-optic medium.236. The information display system according to claim 235, further comprising a carrier member supporting said plurality of non-incandescent light emitting elements, said carrier member positioned in said mirror case and aligning said information display element with said light transmitting portion of said mirror reflector, and wherein said carrier includes said at least one electrically operated accessory.237. The information display system according to claim 236, wherein said at least one electrically operated accessory is chosen from a headlight controller, a blind spot detection system, a rain sensor, an imaging device, a telephonic device, a map light, a microphone, a transceiver, an antenna, a remote keyless entry system, a compass, a seat occupancy detector, a trip computer, an intrusion detector, a speaker, a video device, and a navigational system.238. The information display system according to claim 221, wherein said carrier member includes a cavity, said information display element positioned in said cavity, said cavity including a reflecting surface.239. The information display system according to claim 238, wherein said carrier member includes said plurality of light emitting elements and a plurality of said cavities, a light emitting element of said plurality of light emitting elements being associated with each of said cavities.240. The information display system according to claim 201, wherein said information display element includes a printing on a surface thereof.241. The information display system according to claim 240, wherein said at least one of said non-incandescent light emitting elements comprises at least one light emitting diode.242. The information display system according to claim 201, wherein said at least one selectively-actuated light emitting element of said plurality of non-incandescent light emitting elements is selected from the group consisting of a light emitting diode, a vacuum fluorescent element, an electroluminescent element, a field-emission element and a polymeric light emitting element.243. The information display system according to claim 201, further including at least one light sensor, and wherein said control adjusts the display intensity of said information display element in accordance with a light level detected by said at least one light sensor.244. The information display system according to claim 201, wherein said control adjusts the display intensity of said information display element by use of pulse-width modulation.245. The information display system according to claim 234, wherein said interior mirror assembly comprises a plurality of microphones.246. The information display system according to claim 201, wherein said interior rearview mirror assembly comprises a user actuatable interface, said user actuatable interface providing user interface to a telecommunications system, and wherein said interior mirror assembly includes at least one microphone, and wherein said user actuatable interface includes a button comprising a resilient material.247. The information display system according to claim 246, wherein said resilient material comprises a silicone material.248. The information display system according to claim 201, wherein said interior rearview mirror assembly comprises a user actuatable interface, said user actuatable interface providing user interface to a telecommunications system, and wherein said interior mirror assembly includes at least one microphone, and wherein said user actuatable interface includes a plurality of buttons comprising a key pad.249. The information display system according to claim 248, wherein said information display element comprises an air bag activation status information display element.250. The information display system according to claim 201, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting element of said plurality of non-incandescent light emitting elements.251. The information display system according to claim 201, wherein said interior rearview mirror assembly comprises a user actuatable interface, said user actuatable interface providing user interface to a telecommunications system, and wherein said interior mirror assembly includes at least one microphone, and wherein said at least one microphone provides a vocal input to said telecommunications system.252. The information display system according to claim 251, wherein said at least one microphone provides a vocal input to a digital sound processor.253. The information display system according to claim 251, wherein said at least one microphone provides a hands-free input to said telecommunication system.254. The information display system according to claim 201, wherein said interior mirror assembly comprises a part of an in-vehicle area network.255. The information display system according to claim 201, wherein said interior mirror assembly communicates via a wireless link with another vehicular accessory.256. The information display system according to claim 201, wherein said information display element displays at least one indicia chosen from an alphanumeric indicia, a graphical indicia, and a symbolic indicia.257. The information display system according to claim 201, wherein said electro-optic reflective element comprises an electrochromic reflective element.258. The information display system according to claim 257, wherein said electro-optic medium comprises an electrochromic medium.259. The information display system according to claim 258, wherein said electrochromic medium comprises an electrochemichromic medium.260. The information display system according to claim 258, wherein said electrochromic medium comprises a solid electrochromic medium.261. The information display system according to claim 202, wherein said interior rearview mirror assembly comprises a user actuatable interface, said user actuatable interface providing user interface to a telecommunications system, and wherein said interior mirror assembly includes at least one microphone.262. The information display system according to claim 261, wherein said light transmitting portion of said mirror reflector of said reflective element comprises a generally trapezoidal light transmitting portion.263. The information display system according to claim 261, wherein said plurality of non-incandescent light emitting elements comprises a plurality of light emitting diodes.264. The information display system according to claim 263, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting diode of said plurality of light emitting diodes.265. The information display system according to claim 264, wherein said information display element comprises an air bag activation status information display element.266. The information display system according to claim 201, wherein said plurality of non-incandescent light emitting elements comprises a plurality of light emitting diodes.267. The information display system according to claim 266, wherein information displayed by said information display element is formed by selective actuation of at least one light emitting diode of said plurality of light emitting diodes.268. The information display system according to claim 267, wherein said information display element comprises an air bag activation status information display element.269. The information display system according to claim 201, wherein said information display element comprises an air bag activation status information display element.