Hyundai Tucson: Windshield defrosting and defogging / Defogging logic

To reduce the possibility of fogging up the inside of the windshield, the air intake or air conditioning are controlled automatically according to certain conditions such as or position. To cancel or return to the defogging logic, perform the following steps:

Manual climate control system

1. Turn the ignition switch to the ON position.

2. Select the defrost position pressing the defrost button ().

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

The indicator light in the air intake control button will blink 3 times with 0.5 second of interval. It indicates that the defogging logic is canceled or returned to the programmed status.

If the battery has been discharged or disconnected, the system resets to the preprogrammed defogging logic.

Automatic climate control system

1. Turn the ignition switch to the ON position.

2. Select the defroster position pressing the defroster button ( ).

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

The A/C display blinks 3 times with 0.5 second of interval. It indicates that the defogging logic is canceled or returned to the programmed status.

If the battery has been discharged or disconnected, the system resets to the preprogrammed defogging logic.