RELATED: Elon Musk says Tesla will fix what critics call the Model 3’s ‘biggest design fail’ “The fans went full speed and created a pressurised cabin,” Nyland writes of what happened after turning on the setting. “Normally, any smell inside the car will take several minutes to clear. But with the bioweapon defense mode, the smell disappeared within seconds. Very impressive!” As you’ll see in the video below, Nyland was a little skeptical that bioweapon defense mode would really live up to the hype but within 10 seconds he was almost weeping tears of joy because it had done such an amazing job getting rid of the smell: While you’ll hopefully never have to use bioweapon defense mode against an actual bioweapon, it is nice to know that it actually does at least work to eliminate unpleasant external odors. Tech. Entertainment. Science. Your inbox. Sign up for the most interesting tech & entertainment news out there. Email: