GMC Terrain: Reporting Safety Defects / Reporting Safety Defects to General Motors

In addition to notifying NHTSA (or Transport Canada) in a situation like this, notify General Motors.

In the U.S., call 1-800-GMC-8782 (1-800-462-8782), or write:

GMC Customer Assistance Center

P.O. Box 33172

Detroit, MI 48232-5172

In Canada, call 1-800-263-3777 (English) or 1-800-263-7854 (French), or write:

General Motors of Canada Company

Customer Care Centre, Mail Code:

CA1-163-005

1908 Colonel Sam Drive

Oshawa, Ontario L1H 8P7

In Mexico, call 01-800-466-0812 or 01-800-466-0801.

In other Central America and Caribbean Countries, call 52-722-236-0680.

    Reporting Safety Defects to the Canadian Government

    If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Company...

    Vehicle Data Recording and Privacy

    The vehicle has a number of computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and control engine and transmission performance, to monitor the conditions for airbag deployment and deploy them in a crash, and, if equipped, to provide antilock braking to help the driver control the vehicle...

    Other information:

    GMC Terrain 2018-2025 Owners Manual: Automatic Headlamp System


    When the exterior lamp control is set to AUTO and it is dark enough outside, the headlamps come on automatically. There is a light sensor on top of the instrument panel. Do not cover the sensor; otherwise the headlamps will come on when they are not needed...

    GMC Terrain 2018-2025 Owners Manual: Tires


    Every new GM vehicle has high-quality tires made by a leading tire manufacturer. See the warranty manual for information regarding the tire warranty and where to get service. For additional information refer to the tire manufacturer. Warning Poorly maintained and improperly used tires are dangerous...

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