The contact owns a 2017 Hyundai Elantra. The contact stated that while attempting to park the vehicle in a driveway, she was unaware if she was depressing the brake pedal or accelerator pedal; however, the vehicle accelerated out of control and crashed into her barn, where it came to a stop. No air bags deployed. The contact stated that she did not sustain injuries. No medical attention was required. The contact stated that a police report was filed. The vehicle was towed by her insurance company. The fire department was at the scene. The contact mentioned the vehicle was stuck in the barn on both the driver and passenger sides of the vehicle. The contact mentioned that the seat belt did not retract. The manufacturer was not notified of the failure. The failure mileage was unknown.