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:

    Courtesy Transportation Program (U.S. and Canada)
    To enhance your ownership experience, we and our participating dealers are proud to offer Courtesy Transportation, a customer support program for vehicles with the Bumper-to-Bumper (Base Warranty Cove ...

    Resetting the Power Folding Mirrors
    Reset the power folding mirrors if: • The mirrors are accidentally obstructed while folding. • They are accidentally manually folded/unfolded. • The mirrors vibrate at normal driving speeds. ...

    TTY Users
    OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of ...