Kia Optima: Manual heating and air conditioningThe heating and cooling system can be controlled manually by pushing buttons other than the AUTO button. In this case, the system works sequentially according to the order of buttons selected.
1. Start the engine.
2. Set the mode to the desired position. To improve 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 or recirculated air position.
5. Set the fan speed control to the desired speed.
6. If air conditioning is desired, turn the air conditioning system on.
Press the AUTO button in order to convert to full automatic control of the system.
Automatic heating and air conditioning
Mode selectionDisassembly
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Do not disassemble the
BJ assembly.
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Special grease must be
applied to t ...
Mode Control Actuator. Components and Components Location
Component Location
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Inspection
In the state of IGN1 ON, when multi function switch module detects auto light switch
on, tail lamp relay output and head lamp low relay output are controlled according
to auto light sensor's i ...