OnStar Services

See also:

Transmission Messages
SERVICE TRANSMISSION This message displays if there is a problem with the transmission. See your dealer. SHIFT TO PARK This message displays when the transmission needs to be shifted to P (Park). ...

All-Wheel Drive
Vehicles with this feature always send engine power to all four wheels. It is fully automatic, and adjusts itself as needed for road conditions. When using a compact spare tire on an AWD ve ...

CD Messages
If the CD comes out, it could be for one of the following reasons: • It is very hot. When the temperature returns to normal, the CD should play. • You are driving on a very rough road. Wh ...