OnStar Services

See also:

Instrument Panel
A. Exterior Lamp Controls. Fog Lamps (If Equipped). Instrument Panel Illumination Control. Head-Up Display (HUD) (If Equipped). B. Air Vents. C. Turn and Lane-Change Lever. See Turn and La ...

How to Check Power Steering Fluid
To check the power steering fluid: 1. Turn the key off and let the engine compartment cool down. 2. Wipe the cap and the top of the reservoir clean. 3. Unscrew the cap and wipe the dipstick with ...

Radio Messages
CAL ERR (Calibration Error): The audio system has been calibrated for your vehicle from the factory. If CAL ERR displays it means that the radio has not been configured properly for your vehicle a ...