Chevrolet encourages customers to call the toll-free number for assistance. If a U.S. customer wishes to write to Chevrolet, the letter should be addressed to Chevrolet Medium Duty Truck's Customer Assistance Center.

GM Medium Duty Truck
Customer Assistance Center
P.O. Box 44947
Detroit, MI 48244

1-800-TO-CHEVY (1-800-862-4389)

1-800-833-2438 (For Text Telephone devices (TTYs))

Roadside Assistance: 1-800-TO-CHEVY

Fax Number: 313-381-0022

From Puerto Rico:

1-800-496-9992 (English)

1-800-496-9993 (Spanish)

Fax Number: 313-381-0022

From U.S. Virgin Islands:

1-800-496-9994

Fax Number: 313-381-0022

General Motors of Canada Limited
Customer Communication Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7

1-800-263-3777 (English)

1-800-263-7854 (French)

1-800-263-3830 (For Text Telephone devices (TTYs))

Roadside Assistance: 1-800-268-6800

Please contact the local General Motors Business Unit.

General Motors de Mexico, S. de R.L. de C.V.
Customer Assistance Center
Paseo de la Reforma # 2740
Col. Lomas de Bezares
C.P. 11910, Mexico, D.F.

01-800-508-0000

Long Distance: 011-52-53 29 0 800