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
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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:
Tire Sealant and Compressor Kit
This vehicle may come with a spare tire and tire changing equipment or a tire
sealant and compressor kit. The kit can be used to temporarily seal small punctures
in the tread area of the tire. See ...
Filling the Tank
WARNING
Fuel vapor burns violently and a fuel fire can cause bad injuries.
To help avoid injuries to you and others, read and follow all the instructions
on the fuel pump island. Turn off the engi ...
Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control
equipment. For the inspection, the emission system test equipment is connected to
the vehicle’s Data Link Connec ...