Tesla is facing another safety investigation, this time over the very feature that lets you into the car. Regulators are looking into reports of faulty door handles on thousands of Model Ys, raising new concerns about reliability and safety.

Recent Tesla owners are quite in a pickle now. The huge discounts applied by the EV maker for brand-new models made an impact on the used car market and, arguably, on the psyche of those who bought one last year. But many Carvana sellers might have missed ...