Current and Past Models
Technical Service Bulletins and Manuals are available for current and past model GM vehicles.
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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:
ELECTRONIC KEY NOT
DETECTED RESTART
ALLOWED
If the vehicle has the keyless
access system, this message
displays when the keyless access
transmitter is not detected inside the
vehicle while you are trying to turn
the ignition off. The ...
Finding a Station
AM Source Shown, Other Sources Similar
If viewing a map screen, press the source screen (AM, FM, XM (if equipped), CD,
etc.) button. The display splits between the audio screen and the map screen ...
Weight of the Trailer
How heavy can a trailer safely be?
It should never weigh more than
450 kg (1,000 lbs). But even that
can be too heavy.
Speed, altitude, road grades,
outside temperature, special
equipment, ...






