Okay, my car is a 98 but yours should both be the same. So;
Bottom piece, you've already pulled the retainers up. Now the seat wobbles a bit right? There are two small hooks in the floor pan facing rear wards, right around where the middle of your butt would be if you're sitting down. You need to keep the seat flat and push rear wards until the seat pops off the hooks. You may have to push pretty hard if the seat has never been removed.
Back piece, After the bottom is out there are two T50 torx bolts on either bottom corner of the seat. There is a small metal loop that the bolt slides through and threads into the floor pan. Remove those. Next, grasp the bottom of the seat and pull forwards(front of car), or towards you about half a foot. Then while the seat is angled out pull down on the seat and it will slide out of the holes it is fixed into. There are two 'L' shaped pieces on the back of the cushion that slide up under the front of the rear deck.
HTH.
Edit One more thing...if your car has the third row shoulder type seat belt you need to unlatch from its bottom mount. Bend the mount over and there is a small small hole on the underside...a paper clip should just barely fit it in and press up. That will un latch the belt. You shouldn't have to mess with the other seat belts at all. They slide right through the seat.
