En esta noticia
It is on the dashboard of almost all vehicles, many drivers press it out of habit and others simply ignore it. However, that small symbol with a car and a circular arrow can make a big difference in comfort inside the vehicle and even in the performance of the car air conditioner.
This is the air recirculation button, a function designed to optimize the cabin temperature, reduce the entry of outside pollutants, and improve the efficiency of the climate control system.
How air recirculation works and why it cools the car faster
When you activate this function, the vehicle stops taking in air from outside and begins reusing the air that is already inside the cabin.
Why is this important? Because if it is very hot outside, the system does not have to constantly cool new hot air, but instead works on an environment that has already begun to cool down. That speeds up the process and reduces the strain on the air conditioner.
Its main benefits include:
- cools the car interior in less time;
- improves the efficiency of the air conditioner;
- can slightly reduce fuel consumption;
- prevents smoke, dust, and bad odors from entering from outside.
That is why many specialists recommend activating it especially on days of extreme temperatures or during trips in urban areas with heavy traffic.
When not to use this car button
Although it is very useful in summer, it is not always the best option.
In winter or on humid days, keeping air recirculation activated for a long time can have the opposite effect: it increases humidity inside the vehicle and can cause the windows to fog up.
In those cases, it is better to let fresh air in from outside so the heating system can warm it and help defog the windows.
It is advisable to deactivate it when:
- you need to defog the windshield or windows;
- you are traveling for many hours and want to refresh the air inside;
- there are several people inside the vehicle;
- the cabin starts to feel stuffy.