Special Application Services

• Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.

• Have underbody flushing service performed once a year.

    See also:

    How OnStar® Service Works
    In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...

    Seat Position
    Seat Position WARNING! You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or ma ...

    Power Seat Adjustment
    Power Seat Adjustment To adjust a power seat: • Move the seat forward or rearward by sliding the control forward or rearward. • Raise or lower the front or rear part of the seat cushion ...