See also:

Cleaning Exterior Lamps/Lenses and Emblems
Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing the Vehicle" later in this section. ...

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 ...

Door Ajar Messages
DRIVER DOOR OPEN This message displays when the driver door is not closed completely. Close the door completely. HOOD OPEN This message displays when the hood is not closed completely. Make s ...