the top has bolts that can be accessed through the trunk.......the good news is that trunk is big enuff you can get two people in there so you can each work on one side and get done twice as fast ) !!!!!!!
Holding the brackets of the adjuster mechanism to the floor I believe. When you say wooden sliding base, do you mean the lower seat frame? Because you shouldn't have to undo anything from there. You do have to slide the seat right back to access the front bolts though.