General Information

Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from neglect ...

Owner Checks and Services

At Each Fuel Stop ► Check the engine oil level. See Engine Oil . Once a Month ► Check the tire inflation pressures. See Tire Pressure . ► Inspect the tires for wear. See Tire I ...

See also:

Hazard Warning Flashers
Hazard Warning Flasher: Press this button located on the instrument panel below the audio system, to make the front and rear turn signal lamps flash on and off. This warns others that you are h ...

Restoring the factory settings
► Press the buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

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 v ...