OnStar Services

See also:

Towing with a Stability Control System
When towing, the sound of the stability control system might be heard. The system is reacting to the vehicle movement caused by the trailer, which mainly occurs during cornering. This is nor ...

D-Ring Sliders
For vehicles with a D-ring system, there are four D-ring sliders that move along rails. These can be used as tie-downs when storing cargo. Insert the D-ring sliders (A) into the channel (B) lo ...

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 cir ...