Kia Optima: Heating and air conditioning / Air intake control
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
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
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:
This warning message appears on the LCD display with a warning chime. Additionally,
some vehicle system intervention occurs by the engine management system to help
decelerate the vehicle.
- Your vehicle speed may decelerate moderately.
- The FCA system limitedly controls the brakes to preemp ...
Repair procedures
Operation and Leakage Check
Check all of the following
items:
Component
Procedure
Brake Booster (A)
Check brake operation by applying the brakes during a test drive. If the
brakes do not work properly, chec ...