Nissan ARIYA 2023 Owners Manual
6.5.7.56. 59. [Not Available, Seat Belt Not Fastened] indicator (where fitted)
This message may appear when the ProPILOT Assist system is engaged.
Under the following condition, the ProPILOT Assist system is automatically cancelled:
When the driver’s seat belt is not fastened.
The ProPILOT Assist system cannot be used when the driver’s seat belt is not fastened.
Owners Manual