Hyundai Sonata: Heating and Air Conditioning / Air intake control

This button is used to select the outside (fresh) air position or recirculated air position.

Recirculated air position

The indicator light on the button illuminates when the recirculated air position is selected.

With the recirculated air position selected, air from the passenger compartment will be drawn through the climate control system and heated or cooled according to the function selected.

Outside (fresh) air position

The indicator light on the button will turn off when the outside (fresh) air position is selected.

With the outside (fresh) air position selected, air enters the vehicle from outside and is heated or cooled according to the function selected.

Information

Prolonged use of the air conditioning with the recirculated air position selected will result in excessively dry air in the passenger compartment.

WARNING

Temperature control
The temperature will increase by turning the knob to the right. The temperature will decrease by turning the knob to the left. ...

Fan speed control
Turn the knob to the right to increase the fan speed and airflow. Turn the knob to the left to decrease fan speed and airflow. Setting the fan speed control knob to the "0" position turns off the fa ...

Other information:

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Hyundai Sonata LF 2014-2019 Service Manual: Inhibitor Switch Repair procedures
Inspection     • Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Inspection flow Items to check 1. Inspect DTC code. 2. Inspect whether N setting matches. A. Adjust N setting (refer to ...

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