Kia Optima DL3: Manual climate control system / Heating and air conditioning

1. Start the engine.

2. Set the mode to the desired position. For improving the effectiveness of heating and cooling;

- Heating:
- Cooling:

3. Set the temperature control to the desired position.

4. Set the air intake control to the outside (fresh) air position (if equipped).

5. Set the fan speed control to the desired speed.

6. If air conditioning is desired, turn the air conditioning system (if equipped) on.

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.

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.

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: Smart Key

Repair procedures Adjustment Smart Key Code Saving 1. Connect the VCI II in driver side crash pad lower panel, turn the power on KDS. 2. Select the vehicle model and then do "Smart key code saving".

Kia Optima DL3 2019-2026 Service and Repair Manual: Evaporator Temperature Sensor

Description and operation Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).

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