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:
Hill and Mountain Roads
Driving on steep hills or mountains is different
from driving in flat or rolling terrain.
If you drive regularly in steep country, or if you are
planning to visit there, here are some tips that
...
Trip Information Button
(Trip Information):
Press the trip
information button to scroll through the
ODOMETER, TRIP A, TRIP B, TIRE
PRESSURES, and TIMER.
Odometer: Press the trip information button until
ODOMETER ap ...
Contacting Roadside Assistance
Roadside Assistance services are of
no cost to you and available
24 hours a day, 365 days a year.
Costs are only incurred in situations
that exceed the limits of the
program, some of which ar ...