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:

    Air Quality Sensor
    This will allow you to select whether the system will operate at high or low sensitivity. Only vehicles with the dual zone climate control will have this option. Press SELECT when Air Quality ...

    OnStar® Steering Wheel Controls
    Your vehicle may have a Talk/Mute button that can be used to interact with OnStar® Hands-Free Calling. On some vehicles, you may have to hold the button for a few seconds and give the command †...

    Trip Odometer
    A trip odometer show how far the vehicle has been driven since the odometer was last set to zero. See Driver Information Center (DIC) for information on resetting the trip odometer. ...