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:

    Manual Operation
    (Power): Press to turn the fan on or off. (Fan Control): Press to increase or decrease the fan speed. The fan speed setting appears on the main display. Pressing either button cancels auto ...

    Towing a Trailer
    CAUTION: If you do not use the correct equipment and drive properly, you can lose control when you pull a trailer. For example, if the trailer is too heavy, the brakes may not work well — or ...

    Add-on Electrical Equipment
    The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...