Hyundai Sonata: Automatic climate control system

Hyundai Sonata YF 2011-2014 Owner's Manual / Features of your vehicle / Windshield defrosting and defogging / Automatic climate control system

To defog inside windshield

To defog inside windshield

1. Select desired fan speed.
2. Select desired temperature.
3. Press the defrost button ().
4. The outside (fresh) air position will be selected automatically.

If the outside (fresh) air position is not selected automatically, adjust the corresponding button manually.

If the position is selected, lower fan speed is adjusted to a higher fan speed.

To defrost outside windshield

1. Set the fan speed to the highest (extreme right) position.

1. Set the fan speed to the highest (extreme right) position.
2. Set the temperature to the extreme hot (HI) position.
3. Press the defrost button ().
4. The outside (fresh) air position will be selected automatically.

If the position is selected, lower fan speed is adjusted to a higher fan speed.

To defrost outside windshield

1. Set the fan speed to the highest (extreme right) position. 2. Set the temperature to the extreme hot position. 3. Select the position. 4. The outside (fresh) air will be selected automaticall ...

Defogging logic

To reduce the probability of fogging up the inside of the windshield, the air intake is controlled automatically according to certain conditions such as or position. To cancel or return the de ...