How to prevent car windows from fogging up

One of the great headaches of drivers

Without a doubt, one of the biggest drawbacks when driving is when the glass fogs up.

In the quest to keep the temperature inside the vehicle more comfortable often means that it is necessary to fight so that the windows do not become cloudy regardless of the temperature.

How to prevent car windows from fogging up
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It is important to point out that the glasses fog up due to the temperature and the humidity content of the air.

For example, on a cold day, any moisture in the air inside the car (from passenger breathing to snow on the boots) becomes condensation when it touches the air next to the windows.

This condensation is what makes the windows of the vehicle fog and look cloudy. During a hot, humid day the opposite happens, when the humid air outside the car reaches the dew point against the windshield after it has been cooled by your air conditioning system.

Both interior and exterior fogging of windows reduces visibility and therefore increases the risk of an accident.

In this situation it is important to know how to ensure that windows are clear regardless of the weather.

When it’s colder outside than inside the car

-When the heating turns on and the windows begin to fog up from the inside, there are some options for keeping them clear:

-Lower the temperature inside the car quickly by turning on the defrost grill with cold air or opening a window; do not turn on the heat. This will make the interior of the vehicle cooler and reduce fogging.

-While this is a quick and effective method, it can leave the cabin cold for a few moments.

-Another option is to turn off the function to recirculate the air. When this function is on, the car’s heater or air conditioner reuses indoor air instead of outdoor air.

When it’s hotter outside than inside the car

-When the temperature and humidity level are higher outside than inside the car, the humidity will condense on the outside of the windows. In this situation, the trick is to increase the temperature inside the car to accumulate less humidity on the outside.

-Use windshield wipers. This helps release condensation until the temperature is balanced.

-Put the air conditioner in the lowest setting (less cold) to increase the temperature without making the interior too uncomfortable. If this does not work, the air conditioning must be turned off completely.

-As mentioned above, it is a good idea to turn off the air conditioning recirculation so that the indoor temperature and humidity levels begin to match those outside the vehicle.

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