这家新势力的车门把手问题被调查，重新设计能否解安全之忧？

Core Insights - Tesla is redesigning its door handle system due to safety concerns raised by the NHTSA, which is investigating defects in approximately 174,000 vehicles [4][5] - The NHTSA has received over 140 consumer complaints since 2018 regarding door malfunctions, including incidents where doors could not be opened after power loss, leading to injuries [4][5] - The investigation highlights the risks associated with electric vehicles' reliance on electronic systems, particularly in low battery situations where door handles may fail [5][6] Design and Safety Concerns - The NHTSA's technical report indicates that some Tesla models require a manual unlocking force exceeding 40N, which is above the industry safety threshold of 20N, making it difficult for elderly and disabled users to operate [6] - Experts emphasize that electric vehicle escape operations should align with instinctive responses rather than relying on user training, advocating for designs that enhance user safety in emergencies [7] Redesign Initiatives - Tesla's redesign plan involves a "dual mechanism normalization" approach, integrating electronic release buttons with mechanical levers to allow for a single operation that works regardless of power status [8] - The new design aims to reduce the unlocking force to below 15N, making it accessible for all users, including those with disabilities [8] - Enhancements such as illuminated indicators and tactile feedback are intended to improve usability in emergency situations [8] Industry Implications - The situation serves as a reminder for the automotive industry to prioritize safety in design, advocating for redundancy and fail-safe principles in critical systems [9] - The shift in focus from "engineer-centric" to "user-centric" design is crucial, ensuring that innovations do not compromise user safety [10] - The evolution of electric vehicles into "mobile smart terminals" necessitates a commitment to maintaining safety standards amid technological advancements [10]