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:
Driving Characteristics and Towing Tips
WARNING
The driver can lose control when pulling a trailer if the correct equipment is
not used or the vehicle is not driven properly.
For example, if the trailer is too heavy, the brakes may not ...
Flash-to-Pass
This feature allows the high-beam
headlamps to be used to signal the
driver in front of you that you want
to pass.
Pull and hold the turn signal/lane
change lever toward you to use this
fea ...
SERVICE BRAKE ASSIST
This message displays if there is a
problem with the brake system.
The brake system warning light and
the antilock brake system (ABS)
warning light may also display on
the instrument panel cl ...