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 selectionRemoval
1.
Disconnect the negative(-) battery
terminal.
2.
Remove the glove box.(Refer
to the BD group - "Crash pad")
3.
Disconnect the fob hold ...
Installation
•
Be sure to check the low pressure fuel hose
quick-connector (A) is completely connected to the high pressure ...
Inspection
1.
The SJB can be diagnosed by using
the GDS. The SJB communicates with the GDS which then displays inputs and
outputs along with codes.
2.
To diagnose the SJB functi ...