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 2019-2025 Service and Repair Manual: Blower Motor

Repair procedures Inspection 1. Connect the battery voltage and check the blower motor rotation. 2. If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.

Kia Optima DL3 2019-2025 Service and Repair Manual: Heater & A/C Control Unit (DATC)

Components and components location Components Connector Pin NO Funtion Pin NO Funtion 1 Ground 9 Ground 2 ILL- 10 - 3 - 11

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