The contact owns a 2025 Hyundai Tucson. The contact stated that while driving 35 MPH on the highway, the vehicle ahead was slowing down to come to a stop, and the contact depressed the brake pedal. The Forward Collision Avoidance system activated and the vehicle came to an abrupt stop. Due to the failure, the contact was rear-ended by the vehicle behind. No air bags had deployed due to the failure. A Police report was filed. There was no injury sustained. The vehicle was driven away from the scene. Prior to the failure, the contact had received notification of NHTSA Campaign Number: 26V316000 (FORWARD COLLISION AVOIDANCE); and associated the failure with the recall. Neither the dealer nor the manufacturer was notified of the failure. The contact had taken the vehicle to an independent mechanic for an estimate for the repair of the vehicle. The vehicle was not yet repaired. The failure mileage was approximately 6,000.