Overview

• NHTSA opened an investigation this week into 2021 Model Y door-lock malfunctions following multiple owner reports.
• The Office of Defects Investigation cites nine documented cases, including four incidents where windows were broken to gain access.
• Tesla’s chief designer Franz von Holzhausen said the company is working on a single control that combines mechanical and electronic releases.
• The reported issue involves door actuators that may not receive sufficient voltage despite the vehicle’s main battery remaining charged.
• Tesla guidance and NHTSA note that during a power loss, doors can be opened from outside only by connecting an external 12‑volt supply at designated points.