Defroster
CAUTION:
To prevent damage to the conductors
bonded to the inside surface of
the rear window, never use sharp
instruments or window cleaners
containing abrasives to clean the
window.
NOTICE:
If you want to defrost and defog the
front windshield, refer to “Windshield
defrosting and defogging” in this section.
Type A
Type B
Rear window defroster
The defroster heats the window to remove frost, fog and thin ice from 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, press the rear window defroster button again.

Front windshield deicer (if equipped)
If your vehicle is equipped with the front windshield deicer, it will be operating at the same time you operate the rear window defroster.
See also:
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The style makeover continues into the Optima's cabin with expanded
electronics melded with refreshed fascia patterns and color schemes. Based on a
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