OnStar Services

See also:

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 the cir ...

Dual Automatic Climate Control System
A. Driver and Passenger Heated Seats (If Equipped) B. Driver and Passenger Temperature Controls C. Air Delivery Modes D. Heated Steering Wheel (If Equipped) E. Recirculation F. Air Conditi ...

What to Use
WARNING: Adding only plain water to the cooling system can be dangerous. Plain water, or some other liquid such as alcohol, can boil before the proper coolant mixture will. The vehicle’s cool ...