GM Service Manual Online
For 1990-2009 cars only

The vehicle has an automatic dimming inside rearview mirror with OnStar® controls, located at the bottom of the mirror. See your dealer/retailer for more information on the system and how to subscribe to OnStar. See OnStar® System for more information about the services OnStar provides.

(On/Off): Press to turn the dimming feature on or off.

Automatic Dimming Mirror Operation

Automatic dimming reduces the glare of headlamps from behind you. The dimming feature comes on and the indicator light illuminates each time the vehicle is started.

Cleaning the Mirror

Do not spray glass cleaner directly on the mirror. Use a soft towel dampened with water.