One problem related to warnings has been reported for the 2019 GMC Terrain. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2019 GMC Terrain based on all problems reported for the 2019 Terrain.
Brakes got hard all of a sudden locked up, almost hit another car, front collision warning keeps going off and automatically hitting brakes with no one in front of me. I’ve read it could vacuum brake pump failure. Please recall this as many people have kids and could hurt them.
| Automatic Emergency Braking problems | |
| Adaptive Cruise Control problems | |
| Warnings problems |