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:

    Rear Safety Belt Comfort Guides
    This vehicle may have rear shoulder belt comfort guides for the outboard passenger positions in the rear seat. If not, they are available through your dealer. The guides may provide added safety bel ...

    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 ...

    Canceling Guidance
    Guidance is canceled once the final destination is reached. To cancel guidance prior to arrival at the final destination: 1. Press DEST. 2. Press Cancel Guidance. 3. Press OK to confirm. Guidanc ...