Pro Tip: Buy the "Glass Roof Sunshade" accessory for your Telsa, setup the shade and this privacy screen in your car to measure where the suction cups line up. Then cut one little point on where the suction cup can be pushed through the sunshade.
Poof. Now you can block 66% of the light at the top and it holds the privacy screen much better too. It works really well against overhead security lights if you are stealth camping.
You're welcome :)