The contact owns a 2025 Ford Explorer. The contact stated that while at an intersection at a stop light attempting to make a turn at 5 MPH, the brake pedal was hard when depressed, and the vehicle continued to move. As a result, the vehicle crashed into the rear of another vehicle. The air bags did not deploy. The front camera was not operational. There were no warning lights illuminated. There were no reported injuries, fire, or police reports filed. The contact was able to continue to drive. The vehicle was taken to the local dealer, who test-drove the vehicle and was unable to determine the failure. The vehicle was not diagnosed or repaired. The contact called another dealer, J. O. Williams Motors419 E Broadway Ave, Gladewater, TX 75647, and reported the failure. The vehicle was not diagnosed or repaired. The manufacturer was contacted, who referred him to another local dealer. The failure mileage was approximately 4,000.