XIAOMI(HK:01810) Di Yi Cai Jing·2026-02-26 12:57Core Viewpoint - The investigation into the Xiaomi SU7 Ultra vehicle explosion accident reveals critical details regarding the circumstances of the incident, including the vehicle's speed, the failure of the door release mechanism, and the cause of death of the driver [1][2]. Group 1: Accident Details - The vehicle was traveling at a speed of 167 km/h at the time of collision, significantly exceeding the speed limit [1] - The driver was found to have full responsibility for the accident, but the cause of death was attributed to the fire rather than the collision itself [2] - The vehicle's doors could not be opened from the outside due to a failure in the electric release mechanism after the low-voltage system was cut off post-collision [1][4] Group 2: Technical Findings - The vehicle was equipped with emergency mechanical handles, but both external door handles were electric releases, which failed after the collision [4] - The accident report indicates that the doors remained closed after the collision, and the electric release function was disabled due to the power loss [4][5] - The time available for rescuers to open the doors from the outside was approximately 9 seconds after the vehicle hit the barrier [5] Group 3: Driver Behavior and Vehicle Performance - Data from the Event Data Recorder (EDR) shows that the driver attempted to brake three times in the 6.5 seconds leading up to the explosion, but the vehicle remained out of control [6][8] - The vehicle's speed was recorded at 203 km/h just before the collision, with the driver applying the brakes but only achieving a slight reduction in speed [8] - The maximum brake pedal position reached 55% during the attempts to slow down, yet the vehicle still collided with the barrier at a high speed [8]