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:
Global Positioning
System (GPS)
• Obstruction of the GPS can
occur in a large city with tall
buildings; in parking garages;
around airports; in tunnels,
underpasses, or parking
garages; or in an area with very
dense tr ...
Without Selective Ride Control
1. Move the shift lever to the left
from D (Drive).
The transmission will enter
Manual Mode. The DIC gear
indicator will change to an M
followed by a number
representing the gear the vehicl ...
RDS Messages
INFO (Information): If the current station has a
message, INFO displays. Press this button to
see the message. The message can display the
artist, song title, call in phone numbers, etc.
If the ...