OnStar Services

See also:

Torque Lock
Torque lock is when the weight of the vehicle puts too much force on the parking pawl in the transmission. This happens when parking on a hill and shifting the transmission into P (Park) is not done ...

Fuel
Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of ga ...

Playing the Radio
(Power/Volume): 1. Press to turn the audio system on and off. 2. Turn to increase or to decrease the volume. 3. Press and hold for more than two seconds to turn off the navigation system, the Rea ...