3 years from date of purchase or 36,000 miles
5 years from date of purchase or 100,000 miles
GMC Division General Motors Corp.
Customer Assistance Center
P.O. Box 33172
Detroit, MI
48232-5172
Toll free: 1-800-462-8782
Toll free: 1-800-223-7799 (roadside assistance)
TDD toll free: 1-800-462-8583
Web site:
www.gmc.com