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:

    Storing and Deleting Phone Numbers
    The system can store up to 30 phone numbers as name tags in the Hands-Free Directory that is shared between the Bluetooth and OnStar systems. The following commands are used to delete and store pho ...

    Safety Chains
    Always attach chains between the vehicle and the trailer. Cross the safety chains under the tongue of the trailer to help prevent the tongue from contacting the road if it becomes separated ...

    Tire Pressure Light
    This light will come on briefly when you turn the ignition to RUN. This light will also come on when one or more of your tires are significantly underinflated. A CHECK TIRE PRESSURE DIC mes ...