See also:

Rear Climate Control System
The lower buttons on the rear seat audio are used to adjust the rear seat climate controls. The temperature of the air coming through the rear outlets is determined by the front passenger’s temp ...

Navigation
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...

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. ...