GMC Sierra Denali Owner's Manual page 406

Current and Past Model Order Forms
Service Publications are available for current and
past model GM vehicles. To request an order form,
please specify year and model name of the vehicle.
ORDER TOLL FREE: 1-800-551 -41
23
Monday-Friday 8:OO AM
-
6:OO PM Eastern
Ti me
For Credit Card Orders Only
(VISA-Mastercard-Discover), visit Helm, Inc. on the
World Wide Web at: www.helminc.com
Or you can write to:
Helm, Incorporated
P. 0. Box 07130
Detroit, MI 48207
Prices are subject to change without notice and without
incurring obligation. Allow ample time for delivery.
Note to Canadian Customers: All listed prices are
quoted in U.S. funds. Canadian residents are to make
checks payable in U.S. funds.
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