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
P.O. Box 07130
Detroit, MI 48207
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:
Total Weight on Your Vehicle’s Tires
Be sure your vehicle’s tires are inflated to the
upper limit for cold tires. You’ll find these numbers
on the Certification label at the rear edge of the
driver’s door or see Loading Your Veh ...
Listing Stored Numbers
The list command will list all the
stored numbers and name tags.
Using the “List” Command
1. Press . The system
responds “Ready,” followed by
a tone.
2. Say “Directory.”.
3. Say ...
Parking Brake
The vehicle has an Electric Parking Brake (EPB). The switch for the EPB is on the center console.
The EPB can always be activated, even if the ignition is off. To prevent draining the battery, avoi ...