NHTSA Complaint #11703650 — 2018 GMC TERRAIN SERVICE BRAKES, HYDRAULIC

Complaint Details

ODI Number	11703650
Vehicle	2018 GMC TERRAIN
Component	SERVICE BRAKES, HYDRAULIC
Date of Incident	December 7, 2025
Date Filed	December 8, 2025
Mileage	132,386 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MI

Consumer Description

The contact owns a 2018 GMC Terrain. The contact stated that while driving approximately 30 MPH, the brake pedal became extremely difficult to depress, with the message "Brake Assist" displayed. The vehicle was driven to the shoulder of the roadway and the parking brake was activated, and the vehicle was turned off. The contact stated that the transmission failed to shift into gear, and the vehicle was dragged onto a flatbed truck and towed to the residence. The cause of the failure was not yet determined. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The failure mileage was 132,386.

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