Hyundai Elantra: Windshield Defrosting and Defogging / Defogging logic

To reduce the probability of fogging up the inside of the windshield, the air intake or air conditioning are controlled automatically according to certain conditions such as Hyundai Elantra. Defogging logic or Hyundai Elantra. Defogging logic position. To cancel or return the defogging logic, do the following.

Manual climate control system

1. Turn the ignition switch to the ON position.

2. Select the defroster position (Hyundai Elantra. Defogging logic).

3. Press the air intake control button at least 5 times within 3 seconds.

The process should be completed within 10 seconds after the defroster mode (Hyundai Elantra. Defogging logic) was selected.

The indicator on the air intake button blinks 3 times with 0.5 seconds of interval. It indicates that the defogging logic is canceled or returned to the programmed status.

If the battery has been discharged or disconnected, it resets to the defog logic status.

Automatic climate control system

1. Turn the ignition switch to the ON position.

2. Press the defroster button (Hyundai Elantra. Defogging logic).

3. While pressing the air conditioning button (A/C), press the air intake control button at least 5 times within 3 seconds.

The climate control information screen will blink 3 times with 0.5 seconds of interval. It indicates that the defogging logic is canceled or returned to the programmed status.

If the battery has been discharged or disconnected, it resets to the defog logic status.

Automatic Climate Control System
To defog inside windshield 1. Select desired fan speed. 2. Select desired temperature. 3. Press the defroster button (). 4. The outside (fresh) air position will be selected automatically. If t ...

Auto Defogging System (Only for Automatic Climate Control System)
Auto defogging reduces the possibility of fogging up the inside of the windshield by automatically sensing the moisture of inside the windshield. The auto defogging system operates when the heate ...

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