See also:

Transferring a Call
Audio can be transferred between the in-vehicle Bluetooth system and the cell phone. The cell phone must be paired and connected with the Bluetooth system before a call can be transferred. ...

Timer
This display can be used as a timer. To start the timer, press SET/CLR while Timer is displayed. The display will show the amount of time that has passed since the timer was last reset. To stop t ...

OnStar® Destination Download (US and Canada)
OnStar Destination Download (if equipped) is a service available for OnStar subscribers that makes operating your navigation system much simpler. It allows subscribers to request and receive navig ...