The contact owned a 2003 Lincoln Navigator. The contact stated that fifteen minutes after she parked and turned off the vehicle in the driveway, her brother alerted her that the driver's side front seat had caught fire. The air bags were deployed. The fire department arrived on the scene and extinguished the fire. The fire department determined that the cause of the fire was an electrical system failure. A fire department report was filed. The vehicle remained in the driveway and was not yet deemed totaled by the insurance company. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. Prior to the failure, the gear shifter and driver's side front seat made grinding noises, and the passenger's side front window made clicking noises while driving. The failure mileage was 120,196.