TL* THE CONTACT RENTED A 2014 CHEVROLET SILVERADO. WHILE IN THE PARK POSITION, THE VEHICLE ROLLED BACKWARDS AND KNOCKED DOWN THE CONTACT. A POLICE REPORT WAS FILED AND INJURIES WERE SUSTAINED. MEDICAL ATTENTION WAS RECEIVED. THE VEHICLE WAS RETURNED TO THE RENTAL OFFICE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 1,000.