Removal Of Seatback Assembly

WARNING: This page is about a different car, the 2005 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

Remove the headrest.
On the driver seat, disconnect the seatback flap.
- Unzip the sides and unclip the j-channel retainer.
  
  Fig 1: Disconnecting Seatback Flap
  Courtesy of NISSAN MOTOR CO., U.S.A.
On the passenger seat, remove the seatback board from the back of the seatback.

Fig 2: Removing Seatback Board From Back Of Seatback
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the seatback bolts (2 for each side) and assembly.