OnStar Services

See also:

Calling for Service
When calling Roadside Service, have the following information ready: Your name, home address, and home telephone number. Telephone number of your location. Location of the vehicle. Model, ye ...

Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get hot and n ...

Radio Menu
Press CONFIG to enter the configure menu screen, then press CONFIG repeatedly until Radio is selected or press the Radio screen button to make changes for radio information displayed or to limit ...