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:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...
CTS Coupe in the Market
In terms of arresting exterior design and luxurious cabin furnishings, the
CTS coupe has it made. Many coupe buyers, though, want more than a car that just
looks great: They want something that go ...
Cruise Control
WARNING
Cruise control can be dangerous where you cannot drive safely at a steady
speed. So, do not use the cruise control on winding roads or in heavy traffic.
Cruise control can be dangerous on ...