See also:

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

Recommended Fluids and Lubricants
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer. ...

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 ...