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:
Engine Oil Pressure Light
Notice: Lack of proper engine oil maintenance can damage the engine. Driving
with the engine oil low can also damage the engine. The repairs would not be covered
by the vehicle warranty. Check t ...
Compass Zone
The zone is set to zone eight. If you
do not live in zone eight or drive out
of the area, the variance needs to
be changed to the appropriate zone.
To adjust for compass variance,
use the fol ...
Theft-Deterrent Feature
TheftLock® is designed to discourage theft of the vehicle's radio by learning
a portion of the Vehicle Identification Number (VIN). The radio does not operate
if it is stolen or moved to a dif ...