Nissan ARIYA 2023 Owners Manual
7.2.5. Vehicle speed sensing door lock mechanism (where fitted)
All doors will be locked automatically when the vehicle speed reaches 10 km/h (6 MPH). Once the lock has been unlocked, while driving, the vehicle speed sensing door lock mechanism will lock the door when the vehicle speed reaches 10 km/h (6 MPH) again.
Owners Manual