US regulators launch investigation into self-driving Teslas after series of crashes The GuardianTesla investigated over self-driving cars driving on wrong side of road BBCU.S. opens probe into nearly 2.9 million Tesla vehicles over FSD traffic violations CNBCTesla Stock Falls. The Safety of Its Full Self Driving Is Under Investigation. Barron'sU.S. launches probe into nearly 2.9 million Tesla cars after crashes linked to self-driving system CBS News