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:
Tire Designations
Tire Size
The following is an example of a
typical passenger vehicle
tire size.
(A) Passenger (P-Metric) Tire:
The United States version of a
metric tire sizing system. The
letter P as th ...
Making a Call
Calls can be made using the following commands:
• Dial
• Digit Dial
• Call
• Re-dial ...
Radio(s)
VOL/ : Press to turn the system
on and off. Turn to increase or
decrease the volume.
RADIO/BAND or SOURCE: Press
to choose between FM, AM,
or XM™, if equipped.
Menu Knob: Turn to select r ...