Current and Past Models

Technical Service Bulletins and Manuals are available for current and past model GM vehicles.

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1-800-551-4123 Monday – Friday 8:00 AM – 6:00 PM Eastern Time

For Credit Card Orders Only (VISA-MasterCard-Discover), visit Helm, Inc. at: www.helminc.com.
Or write to:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207

Prices are subject to change without notice and without incurring obligation. Allow ample time for delivery.

All listed prices are quoted in U.S.

funds. Make checks payable in U.S.

funds.

    See also:

    DVD Player
    The DVD player is located in the overhead console. The DVD player can be controlled by the buttons on the DVD player and/or by the buttons on the remote control. See “Remote Control” later in ...

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

    Trailer Brakes
    Because the vehicle has antilock brakes, do not try to tap into the vehicle’s hydraulic brake system. If you do, both brake systems will not work well, or at all. Does your trailer have its own ...