OnStar Services

See also:

CD Messages
CHECK CD: If this message appears on the display and/or the CD ejects, it could be for one of the following reasons: • It is very hot. When the temperature returns to normal, the CD should pla ...

Locking Rear Axle
Your vehicle may have this feature. A locking rear axle can give you additional traction on snow, mud, ice, sand or gravel. It works like a standard axle most of the time, but when one of the rear ...

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). ...