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) 2021-2026 Service Manual: Heater Core

    Repair procedures Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3.Remove the heater core cover (A) after loosening the mounting screws.4.Pull out the heater core (A) from the heater unit.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Heater & A/C Control Unit (Manual)

    Components and components location Components[This illustration shows the LHD type. RHD type is symmetrical.][Connector A] Pin No Function Pin No Function 1Low (Register specifications)4Middle Low (Register specifications)2Common (Register

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