There are two buttons on a car’s air conditioner. One is the “recirculation” button, and the other is the “fresh air mode” button.

How to use these buttons is one of the things commonly reported as unknown by vehicle owners, so here I will tell you about their distinctions.

What is “recirculation mode”?

Recirculation is used is to circulate the air inside the car.
Selecting this button closes an air duct in the front of the car so that the air from outside the car does not enter the car.

What is “fresh air mode”?

Selecting this button introduces outside air into the car by opening an air duct in the front of the vehicle.

Which to use, recirculation or fresh air mode?

When it is better to use recirculation mode.

It is better to use recirculation in the following cases.

You want to make the air conditioner work quickly

Compared to fresh air mode, using the air conditioner in recirculation mode improves efficiency and the air conditioner works more quickly.

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