Kia Optima: Defrost Button
Most of the air flow
is directed to the windshield with a small amount of air directed to the side window
defrosters.
When the defrost button is pressed the outside (fresh) air position will automatically selected and the air will be discharged through the windshield defrost vents. The air conditioning will automatically operate based on ambient temperature. If you don’t want the air-conditioning or outside (fresh) air position press the corresponding button to cancel the operation.
Air Conditioning Button

Push the A/C button to turn the air conditioning system on. The indicator light in the button will illuminate when the fan speed control knob is on. Push the button again to turn the air conditioning system off.
Air Flow Control (Mode Switch)
Air ConditioningRemote keyless entry system operations
Type A
Type B
Lock (1)
All doors are locked if the lock button is pressed. If all doors (and trunk)
are closed, the hazard warning lights will blink once to indicate that all doors
(and tru ...
Fuel Filler Door Release Actuator. Repair procedures
Inspection
1.
Remove the trunk room left side
trim.(Refer to the BD group - "Interior trim")
2.
Remove the fuel filler door release
actuator (A) after ...
Body Control Module (BCM). Components and Components Location
Components
...