A Xiaomi SU7 was traveling at 116 km/h on the Dezhou-Shanghai Expressway on March 29 when its NOA system issued an obstacle warning, leaving the driver only about two seconds to react. The vehicle hit a cement barrier at 97 km/h and caught fire, killing three university students inside. The article criticizes the short warning time, the gap between marketing claims and driver responsibility disclaimers, and calls for stricter smart driving safety standards.