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:

    Following Distance
    Stay at least twice as far behind the vehicle ahead as you would when driving the vehicle without a trailer. This can help to avoid heavy braking and sudden turns. ...

    Front Seats
    The vehicle's front seats have adjustable head restraints in the outboard seating positions. WARNING! With head restraints that are not installed and adjusted properly, there is a greater ...

    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 the MENU/SELECT knob when A ...