GMC Terrain: Customer Information / Customer Assistance Offices

GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:

United States and Puerto Rico

GMC Customer Assistance Center

P.O. Box 33172

Detroit, MI 48232-5172

www.gmc.com

1-800-GMC-8782 (1-800-462-8782)

1-888-889-2438 (For Text Telephone devices (TTYs))

Roadside Assistance:

1-888-881-3302

From U.S. Virgin Islands: 1-800-496-9994

Canada

General Motors of Canada Company

Customer Care Centre, Mail Code:

CA1-163-005

1908 Colonel Sam Drive

Oshawa, Ontario L1H 8P7

www.gmc.ca

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

Overseas

Please contact the local General Motors Business Unit.

    Customer Satisfaction Procedure

    Your satisfaction and goodwill are important to your dealer and to GMC. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's sales or service departments...

    Customer Assistance for Text Telephone (TTY) Users

    To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Filling the Tank (Gasoline)


    Warning Fuel vapors and fuel fires burn violently and can cause injury or death. To help avoid injuries to you and others, read and follow all the instructions on the fuel pump island. Turn off the engine when refueling. Keep sparks, flames, and smoking materials away from fuel...

    GMC Terrain 2018-2026 Owners Manual: Tire Rotation


    Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule. Tires are rotated to achieve a more uniform wear for all tires. The first rotation is the most important. Anytime unusual wear is noticed, rotate the tires as soon as possible, check for proper tire inflation pressure, and check for damaged tires or wheels...

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