Kia Optima DL3: Windshield defrosting and defogging / 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 selected automatically.
If the air conditioning and/or outside (fresh) air position are not selected automatically, press the corresponding button manually.
To defrost outside windshield
1. Set the fan speed to the highest position.
2. Set the temperature to the extreme hot position.
3. Select the
position.
4. The outside (fresh) air and air conditioning will be selected automatically.
If the air conditioning is not selected automatically press the corresponding button manually.
WARNING - Windshield heating Do not use the or position during cooling operation in extremely humid weather. The difference between the temperature of the outside air and the windshield could cause the outer surface of the windshield to fog up, causing loss of visibility.
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.
Other information:
Kia Optima DL3 2019-2025 Service and Repair Manual: Auto Defoging Actuator
Components and components location Components Location 1. Auto logging actuator Description and operation Description The auto defogging sensor is installed on front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging.
Kia Optima DL3 2019-2025 Service and Repair Manual: Blower Resistor
Repair procedures Inspection 1. Measure the resistance between the terminals. 2. measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor) (1) Pin No 1.
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