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:

    Boost Gauge
    Metric English For the CTS-V, this gauge is located in the instrument panel cluster. This gauge indicates positive manifold pressure, which is the induction air pressure level in the in ...

    Front Display
    The front display is located in the instrument panel in the center of the speedometer and has four bars to provide distance and system information. The following describes how the UFRPA front ...

    Storing Radio Station Presets
    This feature stores a mix of up to 30 AM, FM, and XM (if equipped) preset stations. To store presets: 1. Press to turn the system on. 2. If viewing a map screen, press AUDIO, FAV or press the sou ...