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: LKA operation


To activate/deactivate the LKA: With the ignition switch in the ON position, press the LKA button located on the instrument panel on the lower left hand side of the driver. The indicator in the cluster display will initially illuminate white. When the indicator(white) activated in the previou ...

Kia Optima DL3 2019-2021 Owner's Manual: Smooth cornering, Driving at night


Smooth cornering Avoid braking or gear changing in corners, especially when roads are wet. Ideally, corners should always be taken under gentle acceleration. If you follow these suggestions, tire wear will be held to a minimum. Driving at night Because night driving presents more hazards ...

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