Kia Optima: Automatic climate control system
To defog inside windshield
1. Select desired fan speed.
2. Select desired temperature.
3. Press the
defroster button (
).
4. The outside
(fresh) air position will be selected automatically.
If the outside (fresh) air position is not selected automatically, adjust the corresponding button manually.

To defrost outside windshield
1. Set the fan speed to the highest position.
2. Set the temperature to the
extreme hot (HI) position.
3. Press the defroster button (
).
4. The outside (fresh) air position will be selected automatically.
Manual climate control system
Defogging logicProgramming
Your vehicles may require the ignition switch to be turned to the "ACC" position
for programming and/or operation of HomeLink. It is also recommended that a new
battery be replaced in th ...
Removal
1.
Turn the ignition switch OFF and disconnect the negative
(-) battery cable.
2.
Disconnect the accelerator position sensor connector
(A).
...
Battery replacement
Type A
Type B
A battery should last for several years, but if the transmitter or smart key
is not working properly, try replacing the battery with a new one. If you are unsure
how to use or ...