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:
Feature Settings Menu Items
The following are customization
features that allow you to program
settings to the vehicle.
Display In English
This feature will only display if a
language other than English has
been set. T ...
Steering, Suspension, and Chassis Components
Visually inspect front and rear suspension and steering system for damaged, loose,
or missing parts or signs of wear. Inspect the power steering for proper hook-up,
binding, leaks, cracks, chafing ...
Transmission Messages
SERVICE TRANSMISSION
This message displays if there is a problem with the transmission.
See your dealer.
SHIFT DENIED
This message displays when using the Driver Shift Control (DSC) and
a ...