NHTSA Complaint #11605419 — 2018 GMC TERRAIN

The contact owns a 2018 GMC Terrain. The contact stated while driving approximately 70 MPH, the brakes inadvertently activated. There was no warning light illuminated. The vehicle was not drivable and was towed to the residence. The vehicle was then towed to an independent mechanic to be diagnosed. The contact was informed that the vacuum pump needed to be replaced. The vehicle was repaired; however, the failure persisted. The contact had the vehicle repaired several times; however, the failure persisted. The contact was also informed that the rotors needed to be replaced after the vehicle had been repaired several more times. The manufacturer was not notified of the failure. The failure mileage was unknown.