Xiaomi's CEO Lei Jun personally delivered the first batch of SU7 EVs, following the company's official response attributing brake failure to a software misidentification.
Xiaomi Addresses SU7 Brake Failure Incident as Software Misidentification, Ensuring Vehicle Safety
For those unfamiliar with the situation, an SU7 vehicle was hauled to the Changsha Service Center early on May 9. According to Gizmochina, the store staff examined the car and advised us that there was no mechanical breakdown or damage to the brake system. After running the "self-inspection" program, the brake failure warning message disappeared and the vehicle appeared to function normally.
Wang Hua indicated that it was a software misidentification. He said that the problem had been resolved and that there was no reason to be concerned about the car's safety. He contacted an engineer from the Automotive Department to resolve the issue. Here's what happened with the automobile.
The vehicle's main brake controller (DPB/BCP) system was "misidentified and degraded" during analysis. It initiated the backup braking mechanism, and the auxiliary brake controller (ESP/BCS) began responding directly to provide braking and deceleration for the car. Similarly, the vehicle's huge screen caused the brake system to fail.
When the backup braking system is activated, the ESP draws the DPB brake fluid to enhance the braking pressure required to bring the car to a stop. Because the ESP drew the braking fluid away from the DPB, the pressure in the brake master cylinder dropped rapidly, which the driver could feel while pedaling.
Because the braking system shifts between primary and secondary, the original cylinder pressure value of the main brake is reduced to zero. However, the SU7 never lost its braking power. Fortunately, the ESP took care of the situation, and the vehicle remained under control.
Although the car returned to normal, the user was offered a return/exchange of the vehicle. Xiaomi Auto was also willing to cover expenditures associated with the vehicle's return/exchange.
Xiaomi Launches SU7 EV with CEO Lei Jun Personally Delivering First Units to Proud Owners
On April 3, Xiaomi Auto commenced the shipment of their highly anticipated electric vehicle, the SU7. This sedan, with its unique features such as limited metal wordmarks, numbered nameplates, and a car fridge, was delivered to its first batch of owners at the Xiaomi Automobile Factory in Yizhuang, Beijing. The company plans to sell only 5000 units internationally in this initial release.
The delivery ceremony, a heartwarming event, was graced by the presence of Xiaomi's founder and CEO Lei Jun. Lei Jun, in a personal and touching gesture, opened the doors of each SU7 for its proud new owner. He further enhanced the experience by taking commemorative photos with each beneficiary, a gesture that resonated with netizens on Chinese social networking platforms like Weibo.
The SU7 Founder Edition was released as a thank you to devoted supporters, commonly known as "rice fans," The EV has unique features, including limited metal wordmarks, numbered nameplates, and unique gift boxes with certificates and a Lei Jun-signed Bluetooth key. It also has improvements such as Nappa leather, 25 speakers, and a car fridge, combining luxury and innovation. The feature of SU7 is its affordable cost, which ranges from 215,900 to 299,900 yuan ($29,900 to $41,500).
With over 100,000 definite orders and 40,000 locked orders, the demand for the SU7 demonstrates the excitement around Xiaomi's entry into the automotive market. The delivery ceremony represented a milestone for Xiaomi Auto and demonstrated the company's dedication and personalized service style, with CEO Lei Jun personally interacting with each car owner.
Xiaomi Auto has big expansion plans, including an annual production capacity of 150,000 units. The SU7 is ready to significantly impact the electric car market, with deliveries beginning at the factory and continuing to Xiaomi outlets in 28 cities across China.
Photo: Xiaomi/YouTube Screenshot


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