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:

    Low Fuel Warning
    When the fuel in the vehicle becomes low, a pop-up displays “Fuel is low. Search for nearby Gas station?” 1. Press OK to show a list of nearby gas stations. 2. Press GO next to the desired gas s ...

    No Folder
    When the CD contains only compressed files, the files are located under the root folder. The next and previous folder functions will have no function on a CD that was recorded without folders or p ...

    Weight of the Trailer Tongue
    The tongue load (A) of any trailer is an important weight to measure because it affects the total gross weight of the vehicle. The Gross Vehicle Weight (GVW) includes the curb weight of the vehicle, ...