Just had my tint and ceramic coating done late last week!
Tint is Formula One Pinnacle, 50% on sides and back. I'll have the same shop do the windshield in Llumar Air 80% late this week/early next. I might have gone one shade lighter on the tint given the black interior but I love the look of...
It's a built-in transponder for the Japanese toll roads (Singapore has something similar). You put your pre-loaded bank card in the slot and it reads/pays automatically when you pass a gantry. Here's more info on ETC 2.0: