The Hidden Power of the Air Recirculation Button in Your Car

Most drivers have seen the small icon on their dashboard that looks like a car with a looping arrow inside — but very few actually know what it’s for or how powerful it can be when used correctly.

That button controls your car’s air recirculation system, and once you understand it, you can dramatically improve comfort, air quality, and even fuel efficiency while driving.

What That Button Really Does

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