Some toilet seats, like the Bemis 1500EC Elongated Toilet Seat ... Most seats have hinge covers or caps that you have to lift to access the hinge bolt. Use your screwdriver to loosen these ...
like the Bemis 1500EC Elongated Toilet Seat, have lift-off mechanisms that you'll have to turn counter-clockwise to unlock; then, unscrew the wing nut under the toilet rim that keeps the hinge bolt in ...