An install tip. Once you get the seal, trim and the glass all together, lay it on the opening and center it. Then start the install. My wife was my helper, her on the outside putting pressure where I was roping. Worked perfectly and the seal covered all the "corners".

Pretty sure the lower portion of the seal is not seated correctly. Judging by how wavy the line is where the seal contact the body it is not very likely that the seal has hooked on the windshield frame. When properly installed it should force the lower portion of the seal to curve outward, becoming concave instead of the free convex state. Another telltale is if you look at the lower section of seal from the inside, if you see any areas where the seal looks to be pulling away or not pressed tight to the glass it is an indication that the lower section didn’t get fully snapped into place.