See also:

Control Buttons
The buttons used to control the MEM player are: MEM/CD/AUX: Press to select the MEM player. SEEK/ SEEK: Press to select tracks or to fast forward or rewind within a track. INFO: Press to dis ...

Fuel System Messages
FUEL LEVEL LOW This message displays when the vehicle is low on fuel. Refuel as soon as possible TIGHTEN GAS CAP This message displays when the fuel cap is not on tight. Tighten the fuel ca ...

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 ...