Kia Optima: Features of your vehicle / Defroster

Kia Optima DL3 2019-2021 Owner's Manual / Features of your vehicle / Defroster

CAUTION - Conductors

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.

If you want to defrost and defog the front windshield, refer to “Windshield defrosting and defogging” in this section.

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.

Outside rearview mirror defroster

If your vehicle is equipped with the outside rearview mirror defrosters, they will operate at the same time you turn on the rear window defroster.

Wiper deicer

If your vehicle is equipped with the wiper deicer, it will operate at the same time you turn on the rear window defroster.

Welcome system
Headlight (Headlamp) escort function The headlights (and/or taillights) remain on for approximately 5 minutes after the ignition key is removed or turned to the ACC or LOCK position. However, if th ...

Manual climate control system
1. Fan speed control knob 2. Front windshield defroster button 3. Rear window defroster button 4. Air conditioning button 5. Air intake control button 6. Mode selection buttons 7. Temperature ...

Other information:

Kia Optima DL3 2019-2021 Owner's Manual: Owner maintenance


The following lists are vehicle checks and inspections that should be performed by the owner or an authorized Kia dealer at the frequencies indicated to help ensure safe, dependable operation of your vehicle. Any adverse conditions should be brought to the attention of your dealer as soon as ...

Kia Optima DL3 2019-2021 Service and Repair Manual: Panorama Sunroof Deflector


Repair procedures Replacement 1. Open movable glass completely pressing panorama sunroof switch. 2. Loosen the mounting screws located at the side of the panorama sunroof deflector. 3. Remove the panoramic s ...

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