See also:

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

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 located on the console.   illuminates and the a ...

SBZA Error Messages
The following messages may appear in the DIC: SIDE BLIND ZONE ALERT SYSTEM OFF: This message indicates that the driver has turned the system off. SIDE BLIND ZONE SYSTEM UNAVAILABLE: This message i ...