NHTSA opens safety probe into Tesla Autopilot crashes NHTSA opens safety probe into Tesla Autopilot crashes August 16, 2021 dzadmin Comments 0 Comment The investigation was opened Friday and covers Tesla models Y, S, X and 3 from the 2014 to 2021 model years, according to a document filed by NHTSA. An estimated 765,000 vehicles could be affected.