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:
Lucerne Super adds more luxury appointments
Distinctly designed, the Lucerne Super stands out with a new bright chrome
waterfall grille, front and rear fascias, integrated dual exhaust tips, rocker
panels, and Super badge on the decklid. Ex ...
Keyless Trunk Opening
Lift up on the touch pad located
above the license plate to open the
trunk if the RKE transmitter is within
range. ...
Online Owner Center
Online Owner Center
(United States only)
The Owner Center is a resource for your GM
ownership needs. Specific vehicle information
can be found in one place.
The Online Owner Center allows you to: ...