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 selectionDome Light
The dome light switch, located in the light assembly, has three positions:
OFF - The light stays off even when a door is open.
DOOR - The light turns on or off when a door is opened or closed.
ON ...
Components(1)
1. Rear bumper cover
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Explanation of scheduled maintenance items
Engine oil and filter
The engine oil and filter should be
changed at the intervals specified in the
maintenance schedule. If the car is being
driven in severe conditions, more frequent
oil an ...