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:
Pulling a Trailer
Here are some important points:
There are many different laws, including speed limit restrictions, having
to do with trailering. Make sure the rig will be legal, not only where you live
but ...
Store a Name Tag for Speed
Dialing
1. Push . System responds:
“OnStar ready.”.
2. Say “Store.” System responds:
“Please say the number you
would like to store.”.
3. Say the entire number without
pausing. System responds:
“Plea ...
Deleting Personal Information
This navigation system can record and store personal information such as names
and addresses. Delete this information when selling your vehicle or returning a
leased vehicle. See “Edit Address Boo ...