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:

    Manual Operation of Power Liftgate
    To change the liftgate to manual operation, turn the mode selector switch to OFF. With the power liftgate disabled and all of the doors unlocked, the liftgate can be manually opened and clo ...

    Exterior Lighting Battery Saver
    The exterior lamps turn off about 10 minutes after the ignition is turned to LOCK/OFF, if the parking lamps or headlamps have been manually left on. This protects against draining the batter ...

    Voice Recognition
    The navigation system's voice recognition allows for hands-free operation of the navigation system, audio system, and OnStar (if equipped) features. Voice recognition can be used when the ignit ...