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:
Maintenance Schedule
Owner Checks and Services
At Each Fuel Stop
- Check the engine oil level.
See Engine Oil.
Once a Month
- Check the tire inflation pressures. See Tire Pressure.
- Inspect the tires fo ...
Safety Belt Pretensioners
This vehicle has safety belt pretensioners for front outboard occupants.
Although the safety belt pretensioners cannot be seen, they are part of the
safety belt assembly. They can help tighten the s ...
Infants and Young Children
Everyone in a vehicle needs protection! This includes infants and all other children.
Neither the distance traveled nor the age and size of the traveler changes the need,
for everyone, to use safe ...