In order to remove the cosmetic cover, first pop off these three clips from the mirror plate side.Once they’re off, you can push the cosmetic cover off by poking your fingers through the internal cutouts. There are a few more inaccessible snap fits that you should be able to overcome with some finagling.Remove the two noted screws and you should be able to pull off the lower cover. There are some snap-fits around the sides and bottom edge, but gentle persuasion should release the cover.