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 logicBattery
Sensor. Description and Operation
Description
Vehicles have many control units that use more electricity.
These units control their own system based on information from diverse sensors.
It is important to have a stable power su ...
Components Operations
PCM (Power Train Control Module)
1.
The PCM(ECM) (A) carries out
a check of the ignition key using a special encryption algorithm, which
is programmed into the transponder as well as ...
Smart key
With a smart key, you can lock or unlock a door and even start the engine without
inserting the key.
The functions of the buttons on a smart key are similar to the remote keyless
entry. (Refer ...