Wuhan’s First Drunk Driving Case Involving L2 Driver Assistance System: Driver Asleep at Wheel Causes Vehicle to Stall, Sentenced to Detention and Fine

In October 2025, Wang drove his vehicle on a major thoroughfare in Wuhan’s Guanggu area after drinking at a dinner gathering, without using a designated driver service. He activated the car’s Level 2 (L2) advanced driver-assistance system (ADAS) and proceeded to drive. En route, Wang fell asleep in the driver’s seat, causing the vehicle to stall at an intersection, prompting passersby to alert the police. Forensic testing revealed his blood alcohol concentration (BAC) was 212.01 mg/100ml—far exceeding China’s criminal threshold for drunk driving of 80 mg/100ml. The Donghu New Technology Development Zone People’s Court in Wuhan convicted Wang of dangerous driving, sentencing him to one month and fifteen days of criminal detention and imposing a fine of RMB 3,000. Under current national standards, L2 ADAS is strictly a driver-assistance feature, requiring the driver to maintain full control of the vehicle at all times. Drivers cannot evade legal responsibility simply by activating such systems. This case has sparked public debate over the distinction between driver-assistance systems and fully autonomous driving. Some observers argue that certain drivers misunderstand the capabilities of ADAS, possibly due to automakers’ or media’s promotional messaging, and recommend enhanced public education on the functional limitations of these systems. Others emphasize that the core issue lies in the driver’s weak legal awareness: regardless of whether intelligent driving features are used, operating a vehicle under the influence remains illegal.