Why Do Slightly Opened Car Windows Make That Awful Sound?Jason Torchinsky10/21/13 1:15pm27610EditPromoteDismissUndismissHideGo to permalinkHave you ever been driving around and decided to let just a bit of that sweet outside air in? Maybe you just want to smell the pine trees, or maybe you're trying to clandestinely vent out a stealthy fart. You have your reasons. But as soon as you get that window down an inch, you regret it. Because of that sound.