Automatic Dimming Rearview Mirrorwith Compass

Your vehicle may have an automatic-dimming rearview mirror with a compass.

on/off button for the (On/Off): This is the on/off button for the automatic dimming feature and compass.

See also:

Languages
The vehicle supports English, French (Canadian), and Spanish. The default language is English. To change the display language, see Vehicle Personalization for more information. ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

Tire Chains
WARNING: If your vehicle has P235/55R17, or P245/50R18 size tires, do not use tire chains. There is not enough clearance. Tire chains used on a vehicle without the proper amount of clearance c ...