Forward Collision Avoidance Related Problems of the 2026 GMC Terrain

Table 1 shows two common forward collision avoidance related problems of the 2026 GMC Terrain. The number one most common problem is related to the automatic emergency braking (three problems). The second most common problem is related to the warnings (one problem).

Table 1. Forward Collision Avoidance related problems of GMC Terrain

Problem Category Number of Problems
Automatic Emergency Braking problems
3
Warnings problems
1

Recently reported Forward Collision Avoidance problems of the 2026 GMC Terrain

The Automatic Emergency Braking problem

I was driving (roughly about 30 mph) when my automatic braking kicked on and caused my tires to squeal to a halt. There were no other cars around me (thankfully) - otherwise I would have been rear-ended. Right before it stopped, it flashed the warning lights for a quick second.   Read details...

The Warnings problem

Two issues here. First is that the car will give a danger warning when nothing is there. Sometimes goes as far as slamming on my breaks. Both in drive and reverse. Second is the lane keep assist. It’s like it is working backwards.   Read details...


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



Terrain Service Bulletins
Terrain Safety Recalls
Terrain Defect Investigations