GMC SONOMA 1994 User Manual
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w n e r ' s M a n u a l



1994 GMC Sonoma Owner’s Manual


This manual was prepared to acquaint you with the operation and maintenance of your 1994 GMC Sonomaand to provide importantsafety information. There is also GMC Truck Warranty and Owner Assistance Information booklet.In some vehicles, there can be information manuals from other manufacturers likebody builders or specialequipment companies. We urge you to review all these publications carefully. This will help you enjoy safeandtrouble-freeoperation of your vehicle.

When itcomes to service, keep in mind that your GMC Truck dealer knows your vehicle best and is interested in your complete satisfaction. Your dealer invites you to return for all of your service needs both during and after the warranty period.

Remember, if you have a concern and need help handling it to your satisfaction, see theprocedure in the GMCTruck Warranty and Owner Assistance Information booklet.

Thanks forchoosing a GMCTruck product. We value you as a member of the GMCTruck family. We want to assure you of our continuinginterest in your pleasure and satisfaction with your vehicle.

GMC Truck Division

General Motors Corporation

Pontiac, Michigan

@Copyright 1993 General Motors Corporation, GMCTruck Division.

All Rights Reserved

Second Edition

Printed in U.S.A.


Important Notes to Owners and Drivers

....About This Manual:

Please keep this manual in your vehicle soit will be thereif you ever need it when you’re011 the road. If you sell the vehicle, please leave this manual in it so the new owner can useit.

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

For Canadian Owners Who Prefer a French Languag


Aux proprietuires cunacfiens: Vous pouvez vous procurer un exemplaire de ce guideen francais chez votre concessionaire ou au DGN Marketing Services Ltd., 1500 Bonhill Rd., Mississauga, Ontario L5T 1C7.


General Motors, GM and the GM Emblem, GMC and the GMC Emblem, and SONOMA are registered trademarks of General Motors Corporation.

Model Reference

This manual covers these models:





Table of Contents

Introduction -Howto Use this Manual

This section tells you how to use your manual and includes safety and vehicle damage warnings and symbols.

Section 1 -Seatsand Safety Restraints

This section tells you how to use your seats and safety restraints properly.

Section 2 -Features& Controls

This section explains how to start and operate your vehicle.

Section 3 -ComfortControls& Audio Systems

This section tells you how to adjust the ventilation and comfort controls and how to operateyour audio system.

Section 4 -YourDriving andthe Road

Here you’ll find helpful information and tips about the road and how to drive under different conditions.

Section 5 - Problems onthe Road

This section tells you what to doif you have a problem while driving, such as a flat tire or engineoverheating.

Section 6 -Service& Appearance Care

Here the manual tells you how tokeep your vehicle running properly and looking good.

Section 7- Scheduled Maintenance Services

This section tells you when to perform vehicle maintenance and what fluids and lubricants to use.

Section 8 -CustomerAssistance Information

This section tells you how to contact your GM division for assistance and how to get service publications. It also gives you information on “Reporting Safety Defects” on page 8-4.


Here’s an alphabetical listing of almost every subject in this manual. You can use it to quickly find something you want to read.