OnStar

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 ...

Transportation Options
Warranty service can generally be completed while you wait. However, if you are unable to wait, GM helps to minimize inconvenience by providing several transportation options. Depending on ...

TPMS Sensor Matching Process
Each TPMS sensor has a unique identification code. The identification code needs to be matched to a new tire/wheel position after rotating the vehicle’s tires or replacing one or more of the TPMS se ...