Kia Optima DL3: 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.

    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 selected automatically.

    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.

    Other information:

    Kia Optima DL3 2019-2025 Service and Repair Manual: Keyless Entry And Burglar Alarm

    Specifications Specification Item Specification Operating temperature 14 - 140°F (-10 - 60°C) RF Modulation FSK RF Frequency 433.

    Kia Optima DL3 2019-2025 Service and Repair Manual: Temperature Control Actuator

    Components and components location Components Location 1. Temperature control actuator [LH] 2. Temperature control actuator [RH] Description and operation Description The temperature control actuator is located at the heater unit.

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