GMC Terrain: Reporting Safety Defects / Reporting Safety Defects to the Canadian Government

Reporting Safety Defects to the United States Government

If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying General Motors...

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...

Other information:

GMC Terrain 2018-2025 Owners Manual: Driver Assistance Systems

This vehicle may have features that work together to help avoid crashes or reduce crash damage while driving, backing, and parking. Read this entire section before using these systems. Warning Do not rely on the Driver Assistance Systems. These systems do not replace the need for paying attention and driving safely...

GMC Terrain 2018-2025 Owners Manual: Starting the Engine

Shift the vehicle into P (Park) or N (Neutral). To restart the engine when the vehicle is already moving, use N (Neutral) only. Caution Do not try to shift to P (Park) if the vehicle is moving. If you do, you could damage the transmission. Shift to P (Park) only when the vehicle is stopped...