'68 Valiant Rear Seat Removal

Mymopar.com has free download of factory service manuals.

I would assume that all A bodies from 67 thru 76 the rear seat removes the same way.

Push the front of the rear seat bottom toward the rear of the car while lifting up on it. (I typically use my knee to give it a bit of a kick - lightly- whily lifting up.) There are two "hooks" on the floor.

The back has two screws below the bottom edge of the seat on two clasps