Toyota Door Fire Investigation Expands to 1.4M Vehicles By Nick Dasko Jun 18 2012 Share this Article Tweet The National Highway Traffic Safety Administration (NHTSA) is expanding its investigation of Toyota window switch fires to include 1.4 million vehicles. Continue Reading... Filed under: Car Recalls Featured Articles Japanese Safety ToyotaTags: door fires, fires, Japanese, national highway traffic safety administration, NHTSA, NHTSA inquiry, NHTSA investigation, recalls, Safety, Toyota