I got 70% 3M Crystalline on mine and it does seem to help. If I hold my hand to it in GA summer sun, I can feel some heat but it’s not hot. The dash doesn’t get untouchable hot and the car seems be able to cool quite quickly. I got the tint done 1st week so didn’t have too much time to see before hand. I also got 35% on the sides and back windshield. I didn’t get the roof done as I am certain there is good thermal rejection (I saw a video on a test of the Model S roof and it blocked 99%+ of the heat, more so than a metal roof), so I’ve assumed the Y would likely be similar.Anyone who got the windshield done notice a difference in terms of heat? That black dash gets crazy hot and impacts the AC quite a bit. I'm seriously considering it. It was 105 yesterday and I almost thought the air was broken until it finally cooled the cabin down. Any thoughts on windshield tint in general are appreciated.
Overall I would say the car stays cooler than my last couple of (BMW) cars that did not have tint all around.