The National Highway Traffic Safety Administration (NHTSA) has, on Wednesday, opened a defect investigation into the Tesla Model 3’s emergency door system, according to a notice posted on its website that said the lever on these doors may be “hidden,

An ongoing controversy about an alleged Tesla door design flaw got two new wrinkles this week, as troubling, who-knew-what-and-when questions about vehicle door handles began to swirl, along with a fr...