GENERAL MOTORS, GM, the GM Emblem, GMC, and the GMC Truck Emblem are registered trademarks of General Motors Corporation.

This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice. For vehicles first sold in Canada, substitute the name "General Motors of Canada Limited" for GM Medium Duty Truck Division when it appears in this manual.

Keep this manual in the vehicle, so it will be there if it is needed while you are on the road. If the vehicle is sold, leave this manual in the vehicle.

Litho in U.S.A.© 2004 General Motors Corporation

Part Number All Rights Reserved