Kia Optima: Rear window defroster
Type A

Type B
The defroster heats the window to remove frost, fog and thin ice from the interior and exterior of the rear window, while the engine is running.
To activate the rear window defroster, press the rear window defroster button located in the center facia switch panel. The indicator on the rear window defroster button illuminates when the defroster is ON.
If there is heavy accumulation of snow on the rear window, brush it off before operating the rear defroster.
The rear window defroster automatically turns off after approximately 20 minutes or when the ignition switch is turned off. To turn off the defroster manually, press the rear window defroster button again.
Front wiper deicer (if equipped)
If your vehicle is equipped with the front wiper deicer, it will be operating at the same time you operate the rear window defroster.
Defroster
Manual climate control systemInspection
Smart Key Unit
-
Refer to the BE group - inspection
/ self diagnosis with GDS.
Smart Key Switch
-
Refer to the BE group - inspection
/ self diagnosis with GDS.
...
Cleaning the Interior Window Glass
If the interior glass surfaces of the vehicle become fogged (that is, covered
with an oily, greasy or waxy film), they should be cleaned with glass cleaner. Follow
the directions on the glass clea ...
Troubleshooting
Troubleshooting
Problem Symptoms Table
Before replacing or repairing air conditioning components, first determine if the
malfunction is due to the refrigerant charge, air flow or compr ...