GENERAL MOTORS, GM and the GM Emblem, CADILLAC and the CADILLAC Crest & Wreath are registered trademarks of General Motors Corporation.

The information in this manual supplements the owner manual. This manual includes the latest information available at the time it was printed. We reserve the right to make changes in the product after that time without notice.

Please keep this manual with the owner manual in your vehicle, so it will be there if you ever need it while you are on the road. If you sell your vehicle, leave this manual and the owner manual with the vehicle.

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

Part Number All Rights Reserved

The information in this manual pertains specifically to the operation of the professional vehicle. It also contains the professional vehicle's scheduled maintenance services. This manual along with the DeVille owner manual will assist in the proper use and maintenance of the professional vehicle.

Refer to the owner's information the coachbuilder has provided to assist in the proper use and maintenance of the professional items added to the vehicle when it was converted. Always contact the coachbuilder regarding the warranty when service is required on conversion items.

This manual includes the latest information available at the time it was printed. We reserve the right to make changes in the product after that time without notice.

Please keep this manual with the DeVille owner manual in the professional vehicle, so it will be there if you ever need it while you are on the road. If you sell the professional vehicle, leave this manual, the DeVille owner manual, and any coachbuilder information with it.

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

Part Number All Rights Reserved

GENERAL MOTORS, GM, the GM Emblem, CADILLAC, the CADILLAC Crest & Wreath, and the name STS are registered trademarks of General Motors Corporation.

DTS and DTS Digital Surround are registered trademarks of Digital Theater Systems, Inc.

Dolby® is manufactured under license from Dolby® Laboratories. Dolby® and the double-D symbol are trademarks of Dolby® Laboratories.

The information in this manual supplements the owner manual. This manual includes the latest information available at the time it was printed. We reserve the right to make changes in the product after that time without notice. For vehicles first sold in Canada, substitute the name General Motors of Canada Limited for Cadillac Motor Car Division whenever it appears in this manual.

Keep this manual with the owner manual in the vehicle, so it will be there if it is needed. If the vehicle is sold, leave this manual in the vehicle.

GENERAL MOTORS, GM, the GM Emblem, CADILLAC, the CADILLAC Crest & Wreath, and the name STS are registered trademarks of General Motors Corporation.

This manual includes the latest information at the time it was printed.GM reserves the right to make changes in the product after that time without notice. For vehicles first sold in Canada, substitute the name "General Motors of Canada Limited" for Cadillac Motor Car Division wherever it appears in this manual.

This manual describes features that may or may not be on your specific vehicle.

Keep this manual in the vehicle for quick reference.