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:
Potential Issues
Some OnStar services are disabled
after five days. OnStar cannot
perform Remote Door Unlock or
Stolen Vehicle Assistance after the
vehicle has been off continuously
for five days. After five ...
Rear-Seat Pass Through
If the vehicle has the rear-seat pass
through door, the trunk can be
accessed through the rear seat.
This is useful when transporting
long items.
To open the door, pull down the rear
seat ar ...
Fog Lamps
For vehicles with fog lamps, they can be used for better vision in foggy or misty
conditions. The parking lamps and/or low-beam headlamps must be on for the fog lamps
to work.
The fog lamp butt ...