Cars have some kind of protection from dangerous elements, namely: dust, sand, and reagents in the cabin. But what happens if you turn on the recirculation system in the car, and not in the air duct? Reagents and dust in the cabin Many people know that recirculation of the air in the cabin is harmful, but still it is practiced. And not only that, many people also believe that by turning on the recirculation system, you can get protection from dangerous elements in the cabin. However, recirculation of the air in the cabin does not affect the air quality in the cabin. That is, if you turn on the recirculation system while driving, then you will not get sick . In fact, the opposite is true, the air in the cabin will be much better. That is, if recirculation is not allowed in the car, then it can not be used for more than 15-20 minutes , or you risk getting sick. However, doctors advise you to turn it on when driving, because driving with recirculation turned on, you can breathe better and stay healthy. So, if you want to get sick less, you need to do it take it easy! And by the way, if you know someone who gets sick because of the air recirculation in the cabin, then their health will be greatly improved! Activities that can raise the health of the car's interior There is no need to do this, since the interior of modern cars is very complicated and contains a lot of different materials. So, putting the camera in the car is a bad idea , since it can turn out a lot of problems. Even if you think that putting the camera in the car is harmless, it can also spoil your health! So, if you want to take a picture of the interior of your car, it is best to make it from the outside . In addition , here are some tips on how to protect the image of the car interior from theft