What Does the Air Recirculation Button in Your Car Actually Do?

While the air recirculation mode offers a range of benefits, there are situations where using it might not be advisable.

Winter Driving:

During cold weather, using the recirculation mode excessively can lead to foggy windows due to trapped moisture. It’s better to allow fresh air to circulate, aiding in faster defogging and maintaining clear visibility.

Long Duration Usage:

Extended use of the recirculation mode in sealed vehicles can lead to increased carbon dioxide levels. It’s recommended to periodically switch to fresh air mode, especially during long drives, to maintain a healthy cabin environment.

Respiratory Concerns:

If you or your passengers suffer from respiratory issues or allergies, using the fresh air mode may be more suitable to minimize the recirculation of potentially stale or polluted air^3.