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
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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:
Steering
Hydraulic Power Steering
Your vehicle has hydraulic
power steering. It may require
maintenance. See Power Steering
Fluid.
If power steering assist is lost due
to a system malfunction, the ve ...
Pulling a Trailer
Here are some important points:
- There are many laws, including
speed limit restrictions that apply
to trailering. Check for legal
requirements with state or
provincial police.
- Do not tow ...
CALIBRATION COMPLETE
This message displays when the
compass calibration is complete.
See Compass for
more information. ...






