Hyundai Elantra (CN7): Windshield defrosting and defogging / Automatic climate control system

To defog inside windshield

1. Select desired fan speed.

2. Select desired temperature.

3. Press the defroster button ( ).

4. The air-conditioning will turn on according to the detected ambient temperature, fresh mode and higher fan speed will be selected automatically.

If the air-conditioning, fresh mode 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.

To defrost outside windshield

1. Set fan speed to the highest position.

2. Set temperature to the extreme hot (HI) position.

3. Press the defroster button ( ).

4. The air-conditioning will turn on according to the detected ambient temperature and fresh mode will be selected automatically.

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

    To defog inside windshield [A] : Type A, [B] : Type B 1. Select any fan speed except “0” position. 2. Select the desired temperature. 3. Select the or position.

    To help 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 or position.

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Auto Defogging Sensor

    Description DescriptionThe auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuat

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Components and components location

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