Kia Optima: Heating and air conditioning / Air intake control

Kia Optima DL3 2019-2020 Owner's Manual / Features of your vehicle / Manual climate control system / Heating and air conditioning / Air intake control

The air intake control is used to select the outside (fresh) air position or recirculated air position.

To change the air intake control position, press the control button.

Recirculated air position

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

Outside (fresh) air position

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

Prolonged operation of the heater in the recirculated air position (without air conditioning selected) may cause fogging of the windshield and side windows. In addition, prolonged use of the air conditioning with the recirculated air position selected will result in excessively dry air in the passenger compartment. Continuous use of the recirculated air within with result in a musty or stale smell within the passenger compartment.

Temperature control
The temperature control knob allows you to control the temperature of the air flowing from the ventilation system. To change the air temperature in the passenger compartment, turn the knob to th ...

Sunroof inside air recirculation
The outside (fresh) air position is automatically selected, when the sunroof is opened. When you select the recirculated air position, the system maintains the recirculated air position for 3 min ...

Other information:

Kia Optima DL3 2019-2020 Owner's Manual: Mode selection


The mode selection button controls the direction of the air flow through the ventilation system. Air can be directed to the floor, dashboard outlets, or windshield. Five symbols are used to represent Face, Bi-Level, Floor, Floor-Defrost and Defrost air position. Face-Level (B, D) Air flow ...

Kia Optima DL3 2019-2020 Service and Repair Manual: Reservoir Tank


Repair procedures Removal and Installation 1. Remove the reservoir tank. (1) Disconnect the degassing hose (A). (2) Disconnect the reservoir tank water hose (B). (3) ...

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