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:

    Add-on Electrical Equipment
    The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

    Steering Wheel Controls
    Use these controls, if equipped, to make audio adjustments at the steering wheel. or : Press to select the next favorite radio station or next CD, DVD, if equipped, or MP3 track. Press to ...

    Exterior Lamp Controls
    The exterior lamp control is located on the instrument panel to the left of the steering column. It controls the following systems: - Headlamps - Taillamps - Parking Lamps - License Plat ...