Get F150 Supercab Back Seat Room Pictures. Also building a wedge enclosure will probably be the best option if you're building from scratch. Fold up the lower portion of the seat.
Go to the left or right side of the rear seat,put one hand on the outside corner and the other under the seat, wiggle it a bit and give it a mighty tug upward.
I just went through this this past weekend to put seat covers on. 2 remove jack from underneath the back seat and remove the bracket that holds the jack in place using a 10mm socket. While holding the lock lever up, pull the rear seat lift latch to lower the bottom pad the whole seat (bottom and back) should fold down. Go to the left or right side of the rear seat,put one hand on the outside corner and the other under the seat, wiggle it a bit and give it a mighty tug upward.
