Forward Collision Avoidance Related Problems of the 2020 GMC Terrain

Table 1 shows three common forward collision avoidance related problems of the 2020 GMC Terrain. The number one most common problem is related to the automatic emergency braking (four problems). The second most common problem is related to the adaptive cruise control (two problems).

Table 1. Forward Collision Avoidance related problems of GMC Terrain


Recently reported Forward Collision Avoidance problems of the 2020 GMC Terrain

The Automatic Emergency Braking problem

My vacuum pump went out. My brakes went out at 86k miles. Very pour design.   Read details...

The Adaptive Cruise Control problem

None of these features have ever worked   Read details...

The Warnings problem

My Terrain has a light that has been coming on for a couple months. Service brake assist. I took it to the dealer after my brakes locked up and about $800 after getting it fixed the light continues to come on. The forward collision light comes on every time I start the car.   Read details...


Forward Collision Avoidance related problems in other GMC Terrain model year vehicles:



Safety Ratings of Terrain Cars
Fuel Economy of Terrain Vehicles
Terrain Service Bulletins
Terrain Safety Recalls
Terrain Defect Investigations