Kia Optima: Windshield defrosting and defogging / Automatic climate control system

Kia Optima DL3 2019-2020 Owner's Manual / Features of your vehicle / Windshield defrosting and defogging / Automatic climate control system

To defog inside windshield

1. Set the fan speed to the desired position.

2. Select desired temperature.

3. Press the defroster button ().

4. The outside (fresh) air position will be selected automatically and the air conditioning will turn on according to the detected ambient temperature.

If the air conditioning and outside (fresh) air position are not selected automatically, adjust the corresponding button manually. If the position is selected, lower fan speed is adjusted to a higher fan speed.

To defrost outside windshield

1. Set the fan speed to the highest position.

2. Set the temperature to the extreme hot (HI) position.

3. Press the defroster button ().

4. The outside (fresh) air position will be selected automatically and the air conditioning will turn on according to the detected ambient temperature.

Manual climate control system
To defog inside windshield 1. Set the fan speed to the desired position. 2. Select desired temperature. 3. Select the or position. 4. The outside (fresh) air and air conditioning will be sele ...

Defogging logic
To reduce the possibility of fogging up the inside of the windshield, the air intake or air conditioning is controlled automatically according to certain conditions such as or position. To canc ...

Other information:

Kia Optima DL3 2019-2020 Owner's Manual: Forward Collision-avoidance Assist (FCA) system


The Forward Collision-Avoidance Assist (FCA) system is designed to help detect and monitor the vehicle or pedestrians ahead in the roadway through camera recognition to warn the driver that a collision is imminent, and if necessary, apply emergency braking. WARNING Take the following precaut ...

Kia Optima DL3 2019-2020 Owner's Manual: Manual climate control system


1. Fan speed control knob 2. Front windshield defroster button 3. Rear window defroster button 4. Air conditioning button 5. Air intake control button 6. Mode selection buttons 7. Temperature control button ✽ NOTICE Operating the blower when the ignition switch is in the ON position coul ...

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