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 2018-2022 Owners Manual: Car Wash Mode


    This vehicle includes a Car Wash Mode that allows the vehicle to remain in N (Neutral) for use in automatic car washes. Car Wash Mode is not to be used for vehicle towing. If the vehicle needs to be towed, see Towing the Vehicle Caution The vehicle is not designed to stay in N (Neutral) for extended periods of time...

    GMC Terrain 2018-2022 Owners Manual: Reading Lamps


    There are reading lamps on the overhead console and over the rear passenger doors. These lamps come on when any door is opened. Front Reading Lamps The front reading lamps are in the overhead console. Press the lamp lenses to turn the front reading lamps on or off...

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