OnStar Services

See also:

Instrument Panel Brightness
(Instrument Panel Brightness): This feature controls the brightness of the instrument panel lights. The knob for this control is located next to the exterior lamps control. Push the knob in a ...

Traction Control System (TCS)
The traction control system limits wheel spin. The system is on when the vehicle is started. To turn off traction control, press and release g located below the infotainment system screen. i ...

Traction Off Light
This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then turns off. The tract ...