The vehicle may have an automatic dimming rearview mirror with a compass display and/or OnStar® controls. For more information about OnStar, see OnStar® System.

Vehicles with OnStar have three additional control buttons 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 service OnStar provides.

For vehicles with OnStar:

For vehicles without OnStar:

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