Tesla Model 3 sedans face federal investigation over possible door release defects

Core Viewpoint - The US auto safety regulator has initiated a defect investigation into Tesla Model 3 vehicles due to concerns regarding the accessibility and identification of emergency door release controls [1][4]. Group 1: Investigation Details - The investigation covers approximately 179,071 Model 3 vehicles from the 2022 model year [1][4]. - The probe was prompted by a defect petition claiming that the mechanical door release is hidden, unlabeled, and not intuitive to locate during emergencies [2]. Group 2: Design and Safety Concerns - Tesla vehicles primarily utilize electronic door latches that operate via buttons instead of traditional mechanical handles [4][7]. - Although Tesla includes a manual door release for emergencies, experts have criticized the visibility and intuitiveness of these mechanical releases, especially for rear-seat passengers [5]. - The company is facing multiple lawsuits related to fatal crashes, including a case where occupants were allegedly trapped in a Model S due to a design flaw [5][7]. Group 3: Regulatory Process - The initiation of a defect petition does not guarantee a recall but signifies the beginning of a regulatory review process that may lead to further actions if safety defects are confirmed [8]. - The National Highway Traffic Safety Administration (NHTSA) previously opened a preliminary evaluation into about 174,290 Model Y vehicles due to reports of inoperative electronic door handles [8].