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:

    Other Navigation Services Available from OnStar
    OnStar eNav: Allows subscribers to send destinations from Google Maps and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system. When ready, the directions will be downlo ...

    Roof
    Sunroof If the vehicle has a power sunroof it will only operate when the ignition is in ON/RUN or ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active. See Ignition Positions ( ...

    Traction Control System (TCS)
    The traction control system limits wheel spin. The system turns on automatically every time the vehicle is started. - To turn off traction control, press and release the TCS/StabiliTrak but ...