Here you go. Installation is the Reverse of Removal. The seat cushion just lifts up.
Rear Seat-Back Removal and Installation
Tonneau Cover (For Some Models)
Remove the tonneau cover (A).
Fig 1: Removing Tonneau Cover

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Cargo Floor Cover
Remove the cargo floor cover (A).
Fig 2: Removing Cargo Floor Cover

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Rear Damper Maintenance Cover
Fold down the rear seat-back.
Pull up the rear damper maintenance cover (A) by hand to detach the hooks (B), then remove the rear damper maintenance cover.
Fig 3: Identifying Rear Damper Maintenance Cover And Hooks

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Rear Seat Foot Cover
Pull up the rear seat foot cover (A) by hand to detach the clips (B).
Detach the hooks (C), then remove the rear seat foot cover.
Left Side
Fig 4: Identifying Rear Seat Foot Cover, Hooks And Clips (Left Side)

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Right Side
Fig 5: Identifying Rear Seat Foot Cover, Hooks And Clips (Right Side)

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Rear Seat-Back
Detach the rear seat-back arrange control cable (A) from the cable bracket (B).
Detach the cable clip (C), then disconnect the seat-back arrange control cable from the rear seat cushion foot (D).
Fig 6: Disconnecting Seat-Back Arrange Control Cable From Rear Seat Cushion Foot

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Pull up the edge of seat-back cover (A), then detach the clips (B).
Left Side: Remove the mounting bolts (C), then remove the rear seat-back (D).
Right Side: Remove the mounting bolts (C) and the anchor bolt (E), then remove the rear seat-back (F).
Left Side
Fig 7: Pulling Edge Of Seat-Back Cover (Left Side)

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Right Side
Fig 8: Pulling Edge Of Seat-Back Cover (Right Side)

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