See also:

Heated Seats
On vehicles with heated seats, the controls are located on the front doors and the ignition must be on to use the feature. : Press to heat the seat and seatback. : Press to heat the seatback ...

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 ...

Dual Tone Multi-Frequency (DTMF) Tones
The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu-driven phone system. Account numbers can also be stored for us ...