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:
Rainsense™
For vehicles with Rainsense, a
sensor located near the top center
of the windshield detects the
amount of water on the windshield
and automatically controls the
frequency of the windshield w ...
Testing the Alarm
To test the alarm:
1. From inside the vehicle, lower the driver window and open the driver door.
2. Activate the system by locking the doors with the power door lock switch while
the door is open, ...
PARK BRAKE RELEASED
For vehicles with the electric parking
brake, this message displays
when the parking brake has been
released from the set position.
See the electric parking brake
information under Parking Br ...