Owner Checks and Services

At Each Fuel Stop

○ Check the engine oil level. See Engine Oil on page 10‑10.

Once a Month

○ Check the tire inflation pressures. See Tire Pressure on page 10‑51.
○ Inspect the tires for wear. See Tire Inspection on page 10‑57. . Check the windshield washer fluid level. See Washer Fluid on page 10‑23.

    See also:

    Customer Satisfaction Procedure (U.S. and Canada)
    Your satisfaction and goodwill are important to your dealer and to GMC. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's sales or ser ...

    Units
    Press the vehicle information button until UNITS displays. This display allows you to select between metric or English units of measurement. Once in this display, press the set/ reset button to selec ...

    Potential Issues
    Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, ...