Xiaomi SU7 Crashes on Assisted Driving

Physical agent · Level 2 driver assistance · Found first by not disclosed

A Xiaomi SU7 on Navigate on Autopilot ran into a construction zone near Tongling, Anhui, and hit a concrete barrier, killing three people. The system handed control to the driver about one second before an unavoidable impact, and China answered with marketing and update rules from MIIT and a recall through SAMR.

Timeline of Xiaomi SU7 Crashes on Assisted Driving: Mar 29, SU7 hits barrier, three die; Apr 1, Xiaomi confirms the crash; Apr 16, MIIT limits driver assistance claims; Sep 19, Xiaomi recalls 116,887 SU7s. Below, the reporting rules that applied: MIIT and SAMR notice on intelligent connected vehicles, applied; China SAMR recall rules, applied. FROM CRASH TO RECALL APR 1 MAY 1 JUN 1 JUL 1 AUG 1 SEP 1 MAR 29 SU7 hits barrier, three die APR 1 Xiaomi confirms the crash APR 16 MIIT limits driver assistance claims SEP 19 Xiaomi recalls 116,887 SU7s REPORTING RULES AND THIS INCIDENT China vehicle notice UPDATES NOW NEED APPROVAL APPLIED China SAMR recall rules RECALL OF 116,887 CARS APPLIED
Agent class
Physical
Developer
Xiaomi
User
A private owner near Tongling, Anhui
Found first by
Not disclosed
Date
Mar 2025
Cars recalled
116,887

What happened

The System Warned One Second Before a Closed Lane

  • Speed: about 116 km/h on assisted driving, about 97 km/h at impact.
  • Scene: the car's lane was closed for roadwork.
  • Handover: the system warned about one second before the driver took over.
  • Market: Xiaomi shares fell after the disclosure.

Timeline

China Rewrote Its Driver Assistance Rules in Three Weeks

Timeline
DateEventSource
March 29, 2025An SU7 on Navigate on Autopilot hits a concrete barrier in a construction zone; three dieCnEVPost
April 1, 2025Local media report the crash and Xiaomi confirms it on WeiboCnEVPost
April 16, 2025MIIT bars autonomous driving claims for driver assistance and requires approval of driving-function updatesCaixin
September 19, 2025Xiaomi recalls 116,887 SU7s through SAMR over a highway driver assistance flawCarNewsChina

Controls that failed

Construction Zones Were Handled With a Last-Second Handover

Controls that failed
ControlCompanyWhat failed137AI page
Construction-zone handlingXiaomiThe system drove at about 116 km/h into a lane closed for roadworkBehavioral Envelopes
Driver handover timeXiaomiThe warning came about one second before the driver took over, too late to avoid impactHuman Oversight

Reporting

Chinese Recall and Update Rules Applied

Reporting rules and this incident
RuleStatusWhy
MIIT and SAMR notice on intelligent connected vehiclesAppliedMIIT tightened the February 2025 notice, requiring approval of driving-function updates
China SAMR recall rulesAppliedXiaomi filed recalls S2025M0149I and S2025M0150I through SAMR

Every rule tracked is on Incident Reporting Rules and Registries.

Response

New Marketing Limits, Update Approvals and a Recall

  • Regulators and courts: In April 2025 MIIT barred carmakers from calling driver assistance autonomous driving and required approval of driving-function updates. On September 19, 2025, Xiaomi recalled 116,887 SU7s through SAMR over a highway driver assistance flaw.
  • Remediation: Xiaomi gave driving data to police and published its logs; the recall fix is an over-the-air update.

Record

Incident Record

Incident ID
2025-03-XIAOMI-SU7-CRASH
Sources
CnEVPost (April 2025); Caixin (April 2025); CarNewsChina (September 2025)
Last verified
October 2026