Kia Carnival: Windshield defrosting and defogging / Defogging logic

If you prefer to manage these settings manually, you can toggle the automatic defogging logic of your Kia Carnival as follows:

1. Set the ENGINE START/STOP button to the ON position.
2. Set the climate mode to the () position.
3. Within 10 seconds of selecting the DEFOG mode, press the air intake button at least 5 times within a 3-second window. The intake button indicator will blink 3 times, confirming that the automatic logic has been toggled (canceled or reactivated).

Note: If the vehicle battery is disconnected or discharged, this logic will revert to its default factory-programmed state.

Owners of the Kia Carnival can customize the automatic defogging logic if they prefer manual control over climate interventions. Follow these steps to toggle this feature:

1. Set the ENGINE START/STOP button to the ON position.
2. Press the windshield defroster button ().
3. While firmly pressing and holding the Air Conditioning (A/C) button, tap the Air Intake control button at least 5 times within a 3-second window.

The recirculation indicator will blink 3 times (0.5-second intervals) to confirm that the automatic defogging logic has been successfully toggled. Note that this setting will reset to the factory default state if the Kia Carnival battery is disconnected or fully discharged.