See also:

Automatic Dimming Rearview Mirrorwith Compass
Your vehicle may have an automatic-dimming rearview mirror with a compass. (On/Off): This is the on/off button for the automatic dimming feature and compass. ...

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. ...

Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push to try the call again or try again after driving a few miles into ...