We replaced our 9 window back door with a new one. I attempted to PEEL the THREE large stickers off the glass. They are damn near part of the glass. Any advice on THE best stuff to remove them? I hear WD 40 does NOT work. I used nail polish remover a few years ago and that was....meh. Even my razor scraping knife does very little.. LOL Yesterday, I had visions of getting three decals and stapling them to the forehead of the CEO to the Door Manufacturer.