Kia Optima: Air Flow Control (Mode Switch)The mode selection button controls the direction of the air flow through the ventilation system.
The air flow outlet port is same as manual climate control system.

Face position
Air flow is directed
toward the upper body and face. Additionally, each outlet can be controlled to direct
the air discharged from the outlet. (outlet port: , )
Face - floor position
Air flow is directed
towards the face and the floor. The air to the floor is warmer than the air to the
face (except when the temperature control is set to the extreme cold position).
Floor position
Most of the air flow
is directed to the floor, with a small amount of the air being directed to the windshield
and side window defroster.
Floor - defrost position
Most of the air flow
is directed to the floor and the windshield with a small amount directed to the
side window defrosters.
In automatic operation, the air conditioning system will automatically cycle on and the outside (fresh) air position will be selected. To cancel, press the outside (fresh) air button on the instrument panel once.
Heating and Cooling System Off
Defrost ButtonTroubleshooting
Trouble Symptom Charts
Trouble Symptom 1
Trouble Symptom 2
Trouble symptom
Probable cause
Remedy
The set vehicle speed varies greatly ...
Winter driving
Severe weather conditions in the winter
result in greater wear and other problems.
To minimize the problems of winter
driving, you should follow these suggestions:
Snowy or Icy conditions
To ...
Repair procedures
Operation and Leakage Check
Check all of the following items:
Component
Procedure
Brake Booster (A)
Check brake operation by applying the brakes durin ...