I noticed the middle seatbelt buckle was not in the correct position, nearly 2 months after the fuel suction recall. So I decided to fix the problem myself.  To remove the bench cushion, lift the front part by pulling up with a bit of force on the left and right sides. Then pull the bench forward.  Looking at the photo showing the white fixings holding the bench in place,  and the black fixings at  the rear.  Close up of fixings.  The rear seating area minus bench