See also:

Controls
The infotainment system is operated by using the pushbuttons, multifunction knobs, menus shown on the display, and steering wheel controls, if equipped. ...

Storing Name Tags
The system can store up to thirty phone numbers as name tags that are shared between the Bluetooth and OnStar systems. The system uses the following commands to store and retrieve phone numbers ...

Outside Heated Mirrors
When the rear window defogger is turned on, the driver’s and passenger’s outside rearview mirrors also heat to help clear them of ice, snow, and condensation. ...