2007 Cadillac STS Owner's Manual - Page 127

Mirrors Automatic Dimming Rearview Mirror with Intellibeam™ and OnStar® Your vehicle may have an Intellibeam™ inside rearview mirror with OnStar® controls. For more information about OnStar®, see OnStar® System on page 132. To turn on and enable Intellibeam™, press and release the Intellibeam™ button on the inside rear view mirror. If the vehicle has the IntelliBeam™ Intelligent High-Beam Headlamp Control System, the on/off button can also be used to turn off or reset this system. See "IntelliBeam™ Intelligent High-Beam Headlamp Control System" under Headlamps on page 211. Automatic Dimming Rearview Mirror Your vehicle may have an automatic dimming rearview mirror. O (On/Off): Press and hold the button, located on the lower left side of the mirror face, for about three seconds to turn the automatic dimming feature on or off. The indicator light will illuminate when this feature is active. The automatic dimming feature is active each time the vehicle is started. Automatic Dimming Rearview Mirror with OnStar® Your vehicle may have an automatic dimming rearview mirror that also contains OnStar® controls. For more information on OnStar®, see OnStar® System on page 132. 127