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:

    Supercharged powertrain
    The Cadillac CTS-V Coupe employs the LSA 6.2L supercharged V-8 engine also found on the CTS-V Sport Sedan. Rated at 556 horsepower (415 kW) and 551 lb.-ft. of torque (747 Nm), it is the most power ...

    Auxiliary Devices
    The navigation system has an auxiliary input jack located on the faceplate and in the center console. This is not an audio output; do not plug the headphone set into the front auxiliary input jack ...

    Rear Seat Audio (RSA) System
    Vehicles with this feature allow the rear seat passengers to listen to and control any of the music sources: radio, CD, DVD, or other auxiliary sources. The rear seat passengers can control the sa ...