It is reported that the cause of the incident originated from April 29 to 30, 2021, the short video creator has posted a video of "use your own two cars to do an emergency brake test" on the Internet. The video content is that the short video creator personally drove the Tesla Model 3 and Xiaopeng P7 models, drove to the paper fake car and humanoid doll that had been placed in advance in the closed road, released the accelerator pedal at 50km/h and then did not step on the brake pedal, only relying on the vehicle's AEB (Automatic Emergency Braking System) to actively brake, without colliding with the obstacle is regarded as a "test" success.
The results of Tesla's "test" showed that the Model 3 hit obstacles twice because it did not respond to the brakes. After the release of the video, some careful netizens found that the short video creator was suspected of stepping on the acceleration pedal during the AEB intervention when "testing" the Tesla Model 3.