What does Level 4 autonomous driving mean?
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L4 autonomous driving refers to high-level autonomous driving, which can achieve the entire driving process without any driver operation, but there are also certain restrictions, such as limiting the vehicle speed to not exceed a certain value and having a relatively fixed driving area. It generally relies on real-time updated road information data support to achieve real-world scenarios such as automatic vehicle pickup and return, automatic convoy cruising, and automatic obstacle avoidance. The following is an introduction to autonomous driving levels: 1. Level 1 driving automation: The driving automation system continuously performs lateral or longitudinal motion control of the vehicle within its designed operating conditions and has the ability to detect and respond to some targets and events corresponding to the performed lateral or longitudinal motion control. 2. Level 2 driving automation: The driving automation system continuously performs both lateral and longitudinal motion control of the vehicle within its designed operating conditions and has the ability to detect and respond to some targets and events corresponding to the performed lateral and longitudinal motion control. 3. Level 3 driving automation: The driving automation system continuously performs all dynamic driving tasks within its designed operating conditions. 4. Level 4 driving automation: The driving automation system continuously performs all dynamic driving tasks and takes over dynamic driving tasks within its designed operating conditions. 5. Level 5 driving automation: The driving automation system continuously performs all dynamic driving tasks and takes over dynamic driving tasks under any drivable conditions.