Kia Optima: Heating and air conditioning / Air intake control
![](images/air_intake_control-158/1/page_438.png)
The air intake control is used to select the outside (fresh) air position or
recirculated air position.
To change the air intake control position, press the control button.
Recirculated air position
![](images/air_intake_control-158/1/page_205.png)
With the recirculated air position selected, air from the passenger compartment
will be drawn through the heating system and heated or cooled according to the function
selected.
Outside (fresh) air position
![](images/air_intake_control-158/1/page_183.png)
With the outside (fresh) air position selected, air enters the vehicle from outside
and is heated or cooled according to the function selected.
Prolonged operation of the heater in the recirculated air position (without air
conditioning selected) may cause fogging of the windshield and side windows. In
addition, prolonged use of the air conditioning with the recirculated air position
selected will result in excessively dry air in the passenger compartment. Continuous
use of the recirculated air within with result in a musty or stale smell within
the passenger compartment.
The temperature control knob allows you to control the temperature of the air
flowing from the ventilation system. To change the air temperature in the passenger
compartment, turn the knob to th ...
The outside (fresh) air position is automatically selected, when the sunroof
is opened.
When you select the recirculated air position, the system maintains the recirculated
air position for 3 min ...
Other information:
The emission control system of your vehicle is covered by a written limited warranty.
Please see the warranty information contained in the Warranty & Consumer Information
manual in your vehicle.
Your vehicle is equipped with an emission control system to meet all applicable
emission regul ...
This warning light illuminates:
Once you set the ignition switch or Engine Start/Stop Button to the ON position.
- It remains on until the engine is started.
When there is a malfunction with either the alternator or electrical charging
system.
If there is a malfunction with either th ...