The contact owns a 2014 Ford Flex. The contact stated that after releasing the parking brake, the parking brake failed to return to the original position. The contact stated that the Parking Brake Engaged warning light was illuminated. The contact went to the local dealer and purchased an upgraded replacement part to repair the vehicle. The vehicle was not diagnosed or repaired by the dealer. The manufacturer was not notified of the failure. The failure mileage was approximately 43,039.