WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Removing Rear Seat (5-Passenger) With Torque Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Removing Rear Seat (4-Passenger) With Torque Specifications