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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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:
Towing with a Stability Control System
When towing, the sound of the stability control system might be heard. The
system is reacting to the vehicle movement caused by the trailer, which mainly
occurs during cornering. This is normal when ...
Navigation System
If the vehicle has a navigation system, use of the system may result in the
storage of destinations, addresses, telephone numbers, and other trip
information.
Refer to the navigation manual for i ...
Parking Brake
The vehicle has an Electric Parking Brake (EPB). The switch for the EPB is
in the center console.
The EPB can always be activated, even if the ignition is off. To avoid
draining the battery, ...