Core Viewpoint - The article highlights safety concerns regarding the design of the Xiaomi SU7's door handles, particularly the absence of mechanical external handles, which complicates emergency access during accidents [3][4][6]. Group 1: Incident Overview - On October 13, a Xiaomi SU7 caught fire after a collision in Chengdu, and rescuers struggled to open the doors, ultimately requiring firefighters to use a cutting tool [3]. - This incident occurred 198 days after a previous fire incident involving the same model, raising alarms about the vehicle's safety features [3]. Group 2: Design Flaws - The Xiaomi SU7 lacks a mechanical external handle, relying solely on an internal micro-switch for electronic unlocking, which poses risks in emergencies [4][6]. - The internal emergency handle, while present, may be difficult for unconscious occupants to locate and use quickly, especially in a rapidly deteriorating situation [6][11]. Group 3: Industry Standards and Reactions - Industry experts criticize the design choice of the Xiaomi SU7, noting that most vehicles with hidden handles include safety redundancies to ensure accessibility during power failures [6][10]. - New regulations are being proposed to mandate mechanical handles for vehicle doors to enhance safety, reflecting a shift in industry standards [10][11]. Group 4: Cost Implications - Transitioning from hidden handles to traditional mechanical designs involves significant costs, including redesigning electrical systems and molds, which may deter manufacturers from making changes [13][14]. - The potential need for recalls to upgrade existing vehicles with hidden handles is complicated by the large number of such models on the market and the associated costs [14].

每经记者｜段思瑶 每经实习编辑｜余婷婷 长城汽车董事长魏建军也在日前表示，"隐藏式门把手重量大、密封性差、噪音大。还有就是它也要用 电来驱动，一旦缺电、碰撞的时候它也打不开"。 已有车企尝试其他安全方案 隐藏式门把手有如此之多的弊端，但很多车企仍对这一设计颇为钟爱，似乎新车不用隐藏式门把手就没 有跟上潮流。"很多车企设计隐藏式门把手主要是为了降低风阻，希望能够在一定程度上增加一点续 航。"丰田汽车某车身设计师向记者表示。 "去年冬天有一次洗完车，没想到隐藏式的门把手被冻住了，当时只能在寒风中凌乱着寻找解决办 法。"5月9日，一位特斯拉Model 3车主向《每日经济新闻》记者讲诉了自己的遭遇。 这并非个例。在某社交平台上，一篇热帖《你见过哪些"反人类"的汽车设计》中，隐藏式门把手"名列 前茅"。在实际应用过程中，隐藏式门把手也已暴露出越来越多的问题，比如在感应不灵敏的情况下容 易夹手，在冰雪、车祸等极端状况下不容易打开等等。 5月8日，工信部官网发文，公开征集对《汽车车门把手安全技术要求》强制性国家标准制修订计划项目 的意见，将对汽车应急式车门内把手的安装要求、隐藏式车门内把手和应急式车门内把手的标志要求、 电 ...