WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
Tilt the seat cushion to the forward position.
Remove the six seat bolts (A).
Fig 1: Identifying Seat Bolts
Courtesy of NISSAN NORTH AMERICA, INC.
Tilt the seat cushion back in the locked position and remove the seat.