BYD claims assisted driving slashes accident rates by over 80%

During a presentation at the 13th Intelligent Connected Vehicle Technology Annual Conference in Shanghai, BYD revealed that its active driver-assistance technologies improve road safety by a huge margin. For a global market increasingly interested in EVs, these statistics offer a rare, data-driven look at how software affects daily driving.

According to Yang Dongsheng, head of the Automotive New Technology Research Institute, BYD expanded its smart driving software aggressively in early 2025. Level 2 assisted driving systems are standard across almost all passenger electric cars the manufacturer builds - the technology runs on nearly 3 million vehicles globally, covering more than 60 distinct models.

The real-world data shows a massive drop in major traffic collisions. BYD calculates its serious accident rate by measuring how often airbags deploy every 10 million kilometers. Based on this metric, vehicles using the brand's smart driving software experience only one-sixth of the severe accidents reported by purely human drivers.

Drivers are heavily using these automated features. Data from the company shows that navigation-assisted driving sees an activation rate of more than 50%. Parking assistance is even more popular, with customers turning it on for 86% of their parking attempts. This specific parking system practically eliminates low-speed mishaps, reducing body scratches and small fender benders to roughly one-fiftieth of traditional driving rates - that's a 98% drop.

A large portion of this performance stems from what the automaker calls its Xuanji Architecture. Instead of running separate computers for entertainment, motor control, and safety, this platform unifies the electronic brains and electrification hardware into one single system. The car uses onboard physical AI models to predict potential hazards on the road and calculate defensive maneuvers before a human can react.

To catch objects that normal cameras might miss, the vehicles combine visual software with roof-mounted LiDAR sensors. This setup maps out hollow or suspended obstacles, which is especially useful during tight parking scenarios. On the software side, the manufacturer feeds 190 million kilometers of daily driving data into a cloud simulator, allowing engineers to update the vehicle algorithms every three days.

The engineering team focuses heavily on extreme weather and dangerous road conditions. During high-speed tire blowouts, rain, snow, or muddy roads, the integrated platform coordinates the electric motors and chassis together. If a tire blows out, the system can stabilize the vehicle in just 200 milliseconds. BYD validation teams have successfully tested this blowout stability at speeds exceeding 124 mph on dedicated physical proving grounds.

This news comes right before a dedicated intelligent-driving strategy event on May 28, where industry analysts expect BYD to reveal updates to its "God's Eye" safety system. This ecosystem includes parking-assistance program that the company first launched back in July 2025.

The software updates arrive alongside several fresh hardware rollouts. A newly updated Atto 3 crossover launched in China, with faster "flash charging" capabilities and an extra 75 miles of driving range under the China Light-Duty Vehicle Test Cycle (CLTC). The brand plans to launch its new Seal 08 sedan before the end of the second quarter, with its rear-wheel steering and matching fast-charging technology.

Tech deployment is accelerating, but global BYD sales figures show mixed results. The company delivered 314,100 electrified vehicles across the globe in April 2026. That's a 6.2% increase compared to March 2026 - which saw 295,639 deliveries - but a 15.7% drop when compared to the exact same period last year.

Via