LED tail lights

Most Asian cars are like that. Especially to Gook ones. Hyundai, Kia, and Genesis.
Lexus, Infiniti, Acura (worst one), Toyota, Honda, etc..

Doesn't help that nobody ever replaces burnt out bulbs, and the third brake light gets ignored the hardest out of all of them.

>what is PWM

holy fuck you literally have no idea what you're talking about. You are on Mt. Stupid right now.

LEDs can have a near linear fade from full brightness to complete darkness if you control the current going to it and have it at a constant 3 or so volts.