7. There are 13 pop-in “rivets” on the back of the fiberboard door panel backing. Remember this IS a cardboard-like panel, so be advised that it IS possible to pull the panel in a way that tears these rivets off the door panel (I did so on a couple of them, until I figured out to pry the door panel very close to each rivet - unfortunately, until I did this the first time myself, I didn’t know how many rivets to expect to find). Once you’ve popped all of the rivets loose, simply pull the bottom of the door panel away from the door a short distance, and lift the leading and trailing edges of the panel straight up. If the window sweep catches on the upper part of the door, just move the door panel bottom a bit closer to the door and pull up again. It should come off without any real problem.
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