Hyundai Elantra HD: To defog inside windshield
1. Select desired fan speed.
2. Select desired temperature.
3. Press the defrost button ().
4. The air-conditioning will be turned on according to the detected ambient temperature,
outside (fresh) air position and higher fan speed will be selected automatically.
If the air-conditioning, outside (fresh) air position and higher fan speed are not selected automatically, adjust the corresponding button or knob manually.
If the position is selected, lower fan speed is controlled to higher fan speed.