Current and Past Models
Technical Service Bulletins and Manuals are available for current and past model GM vehicles.
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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:
Hazard Warning Flashers
(Hazard Warning Flashers):
Press this button located on top of the steering column, to make the front and
rear turn signal lamps flash on and off. This warns others that you are having trouble. ...
Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get
the best fuel economy possible.
- Avoid fast starts and accelerate smoothly.
- Brake gradually and avoid abrupt stops.
- ...
Automatic Door Locks
For vehicles with an automatic
transmission, the doors will lock
automatically when all doors are
closed, the ignition is on, and the
shift lever is moved out of P (Park).
The doors will auto ...






