See also:

Ride Control System Messages
ALL WHEEL DRIVE OFF This message displays when the All-Wheel Drive (AWD) System has been turned off. See All-Wheel Drive. SERVICE ALL WHEEL DRIVE SYSTEM This message displays when there i ...

Buying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system r ...

Control of a Vehicle
The following three systems help to control the vehicle while driving — brakes, steering, and accelerator. At times, as when driving on snow or ice, it is easy to ask more of those control systems t ...