Kia Optima: Heating and air conditioning / Sunroof inside air recirculation

Kia Optima DL3 2019-2022 Owner's Manual / Features of your vehicle / Manual climate control system / Heating and air conditioning / 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 minutes and then automatically converts to the outside (fresh) air position.

When the sunroof is closed, the air intake position will return to the original position that was selected.

WARNING - Reduced visibility

Continued use of the climate control system in the recirculated air position may allow humidity to increase inside the vehicle which may fog the glass and obscure visibility.

WARNING - Sleeping with A/C on

Do not sleep in a vehicle with the air conditioning or heating system on as this may cause serious harm or death due to a drop in the oxygen level and/or body temperature.

WARNING - Recirculated air

Continued use of the climate control system in the recirculated air position can cause drowsiness or sleepiness, and loss of vehicle control. Set the air intake control to the outside (fresh) air position as much as possible while driving.

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 posi ...

Fan speed control, Air conditioning
Fan speed control The ignition switch must be in the ON position for fan operation. The fan speed control knob allows you to control the fan speed of the air flowing from the ventilation system. ...

Other information:

Kia Optima DL3 2019-2022 Owner's Manual: Checking the amount of air conditioner refrigerant and compressor lubricant


When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative influence on the air conditioning system. Therefore, if abnormal operation is found, have the system inspected by an authorized Kia dealer. WARNING - Vehicles equipped wit ...

Kia Optima DL3 2019-2022 Owner's Manual: High beam operation


To turn on the high beam headlamp, push the lever away from you. The lever will return to its original position. To turn off the high beam headlamps, pull the lever towards you. It will return to the normal (low beam) position when released. The high beam indicator will light when the headli ...

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