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Most people never use the re circulation button in their car because they don’t know exactly when they should use it. It’s that button with the arrow that looks like a return button. It determines where the air you’re using to heat or cool the cabin of your car with come from. With the button off, fresh air comes from outside the car. When you have the button on, you’re using the air within the car.

In the summer heat, the re circulation button will generally cool you off faster and help your car stay cooler because you’re not pulling the outside heat in, but instead, you’re drawing the cooler air in through your cooling system. Your cooling system has to work continuously to cool the air from the outside.

In the winter, recirculated air can produce fog on the windows because there is more moisture in the air. Pushing that little return air button can also save gas and reduce wear on the air compressor.

 

If you have any questions about the heating and cooling systems in your vehicle, stop by one of our 14 locations closet to you. We’re happy to help.