Current and Past Models

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

ORDER TOLL FREE:

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
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170

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:

    Door Unlock Options
    This allows selection of which doors will unlock when pressing the unlock button on the RKE transmitter. Press the MENU/SELECT knob when Door Unlock Options is highlighted. Turn the knob to selec ...

    Weight-Distributing Hitch Adjustment
    A. Body to Ground Distance B. Front of Vehicle When using a weight-distributing hitch, the spring bars should be adjusted so the distance (A) is the same after coupling the trailer to the tow ve ...

    Interior amenities
    Recaro performance driving seats are optional in the Cadillac CTS-V Coupe and provide excellent support for spirited driving. These 14-way adjustable performance seats include pneumatic bolster co ...