Nissan ARIYA 2023 Owners Manual
5.2.3. Remove
Use the following procedure to remove the head restraint.
Pull the head restraint up to the highest position.
Push and hold the lock knob.
Remove the head restraint from the seat.
Store the head restraint properly in a secure place so it is not loose in the vehicle.
Reinstall and properly adjust the head restraint before an occupant uses the seating position.
Owners Manual