雷军介绍新SU7门把手：发生碰撞后，门锁自动切换机械解锁模式

Core Insights - Xiaomi's founder and CEO Lei Jun discussed the safety features of the new generation Xiaomi SU7 during a live broadcast from the company's automotive factory in Beijing [1] Group 1: Product Features - The new Xiaomi SU7 includes mechanical door handles and a backup power source located under the second-row seats, ensuring both interior and exterior access to mechanical door opening [1] - The door locking system automatically switches to mechanical unlock mode upon detecting a collision, allowing the doors to be opened manually even in extreme situations where both main and backup batteries are depleted [1] - The locking mechanism features triple power redundancy: the main battery, a DCDC converter, a small battery, and a backup power source under the second-row seats, enabling all four doors to be unlocked [1] Group 2: Emergency Features - In normal conditions, doors can be unlocked electrically by pressing a button from inside the vehicle [1] - In emergency scenarios, all four doors are equipped with emergency mechanical handles, allowing access regardless of central locking status or low power supply [1]