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:

    Automatic Operation
    AUTO (Automatic Fan): When AUTO is selected on the fan control, the system automatically adjusts the fan speed. If the OnStar® system is activated when this position is selected, the fan speed ...

    Flash-to-Pass
    To flash the high beams, pull the turn signal/lane change lever all the way toward you. Then release it. ...

    Reporting Safety Defects to the United States Government
    If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NH ...