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 Inspection .
  • Check the windshield washer fluid level. See Washer Fluid .
    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 v ...

    Shuffle (Radio with CD)
    Turn the Menu knob and set Shuffle Songs (Random) to On or Off, then press the BACK button to return the main screen. On: Plays tracks in the current folder in random order. Off: Plays trac ...

    Theft-Deterrent Feature
    THEFTLOCK® is designed to discourage theft of your vehicle’s radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a ...