OnStar Additional Information

See also:

Roadside Assistance Program
For U.S. purchased vehicles, call 1-800-252-1112; (Text Telephone (TTY): 1-888-889-2438). For Canadian purchased vehicles, call 1-800-268-6800. Service is available 24 hours a day, 365 days a year ...

Ride Control System Messages
SERVICE TRACTION CONTROL This message displays when there is a problem with the Traction Control System (TCS). When this message is displayed, the system will not limit wheel spin. Adjust your drivin ...

Climate Control Systems
Dual Automatic Climate Control System The heating, cooling, and ventilation for the vehicle can be controlled with this system. A. Air Conditioning B. Driver and Passenger Temperature Cont ...