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
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:

    Feature Settings Menu Items
    The following are customization features that allow you to program settings to the vehicle: DISPLAY IN ENGLISH This feature will only display if a language other than English has been set. This ...

    Radio(s)
    VOL/ : Press to turn the system on and off. Turn to increase or decrease the volume. RADIO/BAND or SOURCE: Press to choose between FM, AM, or XM™, if equipped. Menu Knob: Turn to select r ...

    Selecting an XM Channel
    XM channels can be selected by usings or , the TUNE/ MENU knob, or the TUNE/MENU system. Selecting a Channel Using or Press and release or to go to the previous or next channel. P ...