Lane Departure Problems of GMC Terrain

GMC Terrain owners have reported 22 lane departure related problems since 1996. Table 1 shows the 3 most common lane departure problems. The number one most common problem is related to the vehicle's blind spot detection (17 problems). The second most common problem is related to the vehicle's warning (3 problems). For details of each of the problem category, use the links in the table.

Table 1. Lane Departure related problems of GMC Terrain

Problem Category Number of Problems
Blind Spot Detection problems
17
Warning problems
3
Assist problems
2

Recently reported Lane Departure problems of GMC Terrain

The Blind Spot Detection problem

The engine light came on while driving, saying “engine power reduced”. It barely accelerates, rpms go over 5, it chugs when driving. Taken to an independent service center.   Read details...

The Warning 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...

The Assist problem

My son was making a left onto a freeway on ramp after traffic cleared and the steering wheel completely locked up resulting in him going over the curb and rolling completely over in a steep ditch. This occurred at a low speed (no more than 25mph), confirmed by the life369 app.   Read details...




Terrain Service Bulletins
Terrain Safety Recalls
Terrain Defect Investigations