How to Use the Air Recirculation and Fresh Air Mode in the Elantra?

1 Answers
VanAna
07/30/25 3:50am
The related introduction of the Elantra's air recirculation and fresh air mode is as follows: 1. The recirculation and fresh air modes are controlled by a switch, and modern vehicles support three mode settings: automatic, recirculation, and fresh air. 2. The automatic mode primarily uses recirculation, with the air conditioning sensors appropriately switching to fresh air mode to ensure that the air quality inside the vehicle does not deteriorate (such as decreased oxygen levels or increased pollution). 3. Recirculation mode: Cools the air inside the cabin by circulating it. In this mode, the air intake of the blower is closed, and the exhaust vents at the rear of the cabin are also closed. Since it is isolated from the outside, the oxygen level in the air will gradually decrease due to the breathing of the occupants. Therefore, the recirculation mode should not be used for extended periods. If manual mode is selected, it is necessary to periodically switch to fresh air mode to refresh the cabin air quality. 4. Fresh air mode: The vehicle's air conditioning system draws in outside air, cools it through the blower, and circulates it into the cabin before expelling it through the exhaust vents at the rear. The fresh air mode continuously cools the outside air at maximum power, which consumes significant engine power. Although the vehicle's air conditioning system is equipped with a filter, certain pollutants such as exhaust fumes and toxic gases from outside the cabin cannot be filtered by the air conditioning filter. In such situations, it is necessary to switch to recirculation mode to maintain good air quality inside the cabin.
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