We go from the hot summer months to the frigid winter months. As the weather turned colder, the cars’ air conditioners were turned from cold to warm. Today we are going to explain to you what a button does, sometimes saving lives and sometimes risking lives. Have you ever seen a button on cars with a curved arrow in the car? “Internal circulation button” Have you ever thought about what exactly this button with its name does?

In some cases, even the internal circulation button, a highly functional button in the field of vehicle comfort, can be used. could endanger your life. Then let’s see what the internal circulation button does and what the positive and negative aspects are.

What does the internal circulation button do?

The button with a curved arrow in the car, in its clearest form internal circulation system used to run. Internal circulation system that allows the vehicle to cool down faster, especially when the air conditioning is on, It absorbs the air in the vehicle and helps to cool it down again with the air conditioning. For example, on hot summer days, instead of cooling the hot air, the air conditioner re-cools the already cooled air. This reduces the load on the air conditioner. positive effect on fuel consumption doing.

It provides insulation for people in the car when the air outside is dirty.

In cases where a foul odor or heavy exhaust fumes come from outside, the internal circulation system returns the air to the car with the air conditioner instead of drawing in air from outside. This too This allows you to be isolated from the dirty air outside.

The internal circulation system works extremely well for people who are allergic to pollen.

When should the internal circulation system be used?

The internal circulation system can be used in the hot summer months when the air conditioner is on. Mainly in heavy traffic This system, which is used against pollution, is preferable when there are few people in the car and should not be used continuously.

When the internal circulation system should it not be used?

Although the internal circulation system is a very useful feature when used carefully, it has some drawbacks. First of all, the internal circulation system It should not be used in cold weather. Because it traps the moisture that comes out of your breath and causes your car window to fog up. If your car’s window is constantly fogging up, you can look at the internal circulation system.

The internal circulation system can make you fall asleep while driving.

Perhaps the greatest danger of the internal circulation system is that it collects inside. carbon dioxide is the amount. During busy and long journeys, when the windows are closed, the oxygen in the car is converted into carbon dioxide as a result of the breaths we take. This makes the interior of the car stuffy. Inhaling too much carbon dioxide causes drowsiness and falling asleep in the car can cause serious disasters.

Do car manufacturers have precautions?

Internal circulation system in today’s new generation of digital cars automatically turned off. In older generation cars, whether this system is open or not. you have to check. We recommend that you do not use the internal circulation system too much, especially when you are on a long journey, and that you constantly let fresh air in.

Today we explained to you what the internal circulation button does. If you want this kind of content to come, write to us in the comments section.

• Sources: Travel+Leisure, WXYZ Detroit, Eden Tires & Service