GMC Defense 2006, Owner'S Manual Supplement, Page: 109 / 116

7-2
For customer assistance phone numbers, refer to Contact
Information.
Contact Information
GM Customer Assistance Center
(general information, dealer
location, other concerns)
Department
Phone Number
1-800-222-1020
Customer Assistance Information
To assist in our review of your concerns, provide the
following information:
1. The Vehicle Identification Number (this will
be on the VIN plate in the cab of the vehicle)
2. Current mileage on the vehicle
3. Nature of the problem
Roadside Assistance Center
(towing and all Roadside
Assistance program services)
1-800-243-8872
Online LSSV/EMP Service/Parts Manuals:
www.gmfleet.com
Select “Fleet Tools”
Select “Service/Maintenance Tools”
PDF files can be viewed or downloaded.
Telephone Users