Every now and then, you get stuck in traffic. So what do you do? You stare blankly at your windshield, right. And you probably notice the little black dots around the edges. Ever wondered what those are for? But black dots aren't the only part of your car that might have you wondering, "What on Earth is that for?" Since you're still looking at your windshield, did you notice that little line with an arrow pointing down and AS1 written on it? Or what about the black lines going across the back window and that little snowflake on your dashboard? Let's figure out!