how to remove 1/4 interior trim on 91 hatch?

They're held in with nothing more than screws. At worst, you'll have to take the rear seat out to access all of the fasteners.

Your supposed to pull the back seat. The bolts that hold it to the car, go through a hole in the trim. It is a paint dealing with the fold down back seat. You can just snip the edge of the quarter trim to snake it out, then you won't have to pull the back seat. You will not see what you cut when it is put back together.