ToplineThe National Highway Traffic Safety Administration has opened an investigation into a fatal crash involving a Ford vehicle last month, after regulators suspect the car was relying on its automated driving system—the latest probe into a fatal crash this year in which Ford’s driver assistance system this year was a suspected factor.The probe is the latest into a fatal crash in which Ford’s driver assistance system was a suspected ... [+] factor.Anadolu via Getty Images Key FactsThe agency said Thursday ...