OnStar Services

See also:

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need ...

Trailer Wiring Harness
Basic Trailer Wiring The trailer wiring harness, with a seven-pin connector, is located at the rear of the vehicle and is tied to the vehicle's frame. The harness connector can be plugged into a seve ...

Rear Vision Camera (RVC)
If available, the Rear Vision Camera (RVC) system displays part of the scene behind the vehicle. WARNING The RVC system does not display pedestrians, bicyclists, animals, or any other object located ...