What
@JACKAL said with a minor but important exception. The SATV rear windshield is not Plexiglas (or plexiglass), which is acrylic plastic. Rather they, like the plastic front windshields, are made of polycarbonate (Lexan being one trade name). The differences:
Acrylic: Better light transmission than glass! Cheaper than polycarbonate. Can shatter into dangerous shards on impact or crack when drilling or cutting if care is not taken. Holes are typically drilled oversize to prevent cracking from thermal expansion etc. Can easily polish out minor scratches.
Polycarbonate: Bulletproof (literally, when thick enough) so impact resistant and safer in an accident, can be cold bent in a brake. No problem drilling, sawing etc. Scratches do not polish out easily if at all. Softer than Plexi, so is sometimes "hard coated" for scratch resistance.
The only pic I have showing the rear lights. The are actually a little lower than they appear, and below the top of the roof line. You can see from the way the rear windshield mounts that OPs lights gotta be moved.