The contact owns a 2013 Lincoln MKX. The contact stated that after her daughter started the vehicle, the parking brake failed and the vehicle began to roll. As a result, the vehicle rolled 300 yards downhill, running over the driver, who had attempted to physically stop the vehicle and came to a complete stop after colliding with a building. The air bags did not deploy. No warning lights were illuminated. A police report was filed, and injuries were reported. The driver was taken to an area hospital and treated for a sprained hip, a sprained ankle, and various contusions. The vehicle was taken to the dealer, who determined that the vehicle was functioning as intended. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 243,000.