NHTSA Opens Preliminary Investigation Into Infotainment System in 580,000 Tesla Cars Posted byThe Epoch Times December 23, 2021 Leave a comment on NHTSA Opens Preliminary Investigation Into Infotainment System in 580,000 Tesla Cars The National Highway Traffic Safety Administration (NHTSA) announced on Dec 22. that it has opened a formal investigation into Tesla over the safety of its front center touchscreen.