Kia Optima: Fan speed control
The fan speed can be set to the desired speed by pressing the fan speed control switch.
To change the fan speed press the
part of the switch for higher speed
or press the 
part of the switch for
lower speed.
To turn the fan speed control off, press the OFF button.
Air intake control
The air intake control is used to select outside (fresh) air position or recirculated
air position.
To change the air intake control position, push the control button.
Recirculated air position
...
Air conditioning
Press the A/C button to turn the air conditioning system on (indicator light
will illuminate).
Press the button again to turn the air conditioning system off. ...
See also:
Replacement
1.
Disconnect the negative (-) battery
terminal.
2.
Remove the crash pad.(Refer
to BD group - “Crash Pad”)
3.
Loosen the screws and then remove
...
To defrost outside windshield
1. Set the mode selection switch to the
position.
When you select position, the system
automatically turns on the outside (fresh) air mode.
2. Set the temperature control knob to the extreme ...
Catalytic Converter. Description and Operation
Description
The catalytic converter of the gasoline engine is a three
way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates
oxygen from the oxides of nitrogen (NOx).
...