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:

    Steering Wheel Controls
    If equipped, some audio controls can be adjusted at the steering wheel. (Next): Press to go to the next favorite radio station, track on a CD, or folder on an iPod® or USB device. (Previous/En ...

    Exterior
    The ATS' narrower headlights represent the closest interpretation yet of the slit-like lamps on Cadillac's Ciel and Converj concepts shown in 2011 and 2009, respectively. The protruding nose with ...

    Fuel
    Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline ...