 Sideways horseshoe. Okay. And some of the systems have a setting that is max, which will automatically turn it on to what? Fresh air in or recirculation? Fresh air. When you go to max, that will go to recirculation mode almost all the time on most vehicles. Oh, really? Okay. Yeah. Now, when you go to max, it's giving you everything it's got. So once it closes off that outside air, if it can, I'm not going to tell you there's not a vehicle out there that doesn't do that because I haven't studied everybody.