See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

Four-Wheel Drive
If the vehicle has Four-Wheel Drive, you can send the engine's driving power to all four wheels for extra traction. To get the most satisfaction out of Four-Wheel Drive, you must be familiar with its ...

Finding a Station
BAND: Press to switch between AM, FM, or XM™, if equipped. (Tune): Turn to manually select radio stations. SEEK: Press to seek the previous radio station. Press and hold for a few seconds until ...