Xiaomi says it can predict accidents to prevent them!

Under pressure, Xiaomi unveils a system that alerts drivers before their speed becomes dangerous.

We presented yesterday a project by Chinese authorities aimed at regulating the acceleration of electric vehicles. A sensible initiative in the face of risks tied to surprisingly high performance available at the price of a typical family sedan. Today, Xiaomi reinforces that awareness by unveiling a system capable of warning drivers when their relative speed could cause an accident. Makes sense given that the automaker is under scrutiny from authorities after a series of accidents caused by its SU7 Ultra!

The patent, published on November 14, 2025 under the name “Vehicle Overspeed Alert Method, Device, Vehicle, Storage Medium, and Program Product”, literally “Method and device for vehicle overspeed alert, storage medium and software”, more simply describes a device that analyzes the vehicle’s environment in real time. Using sensors, the system identifies objects around the car, calculates the relative speed with respect to those objects, and triggers a warning if it exceeds a predefined threshold. The goal: to prevent collisions even when the vehicle remains within legal speed limits. 

Reference frameworks applied to traffic rules

Xiaomi points out that traditional systems only react to exceeding the legal speed limit. Yet, in densely populated areas—schools, construction sites, tourist zones—a vehicle can travel much faster than other road users without being penalized by classic speed limits. The new device adapts to the environment: lower thresholds in high-traffic areas, higher ones on motorways.

Alerts can be visual, shown on the vehicle’s central screen, or audible via speech synthesis. The driver thus receives immediate feedback on their relative speed, reducing the risk of accidents related to overly abrupt acceleration or a lack of awareness of surrounding traffic. An intelligent application of the mathematical frameworks you learned in high school

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This initiative by Xiaomi illustrates the urgency of managing the spectacular performance of electric cars accessible to a wide audience. It complements the regulatory approach of Chinese authorities and highlights a now central issue: road safety in the face of vehicles capable of accelerations once reserved for high-end sports cars.

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