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

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.

4. Fresh mode air will be selected automatically. Additionally, the air conditioning (if equipped) will automatically operate if the mode is selected to the position.

If the air conditioning and fresh mode are not selected automatically, press the corresponding button manually.

To defrost outside windshield

[A] : Type A, [B] : Type B

1. Set the fan speed to the highest setting (knob rotated all the way to the right).

2. Set the temperature control to the highest temperature setting.

3. Select the position.

4. Fresh mode air and air conditioning (if equipped) will be selected automatically.

    WARNING Windshield heating Do not use the or position during cooling operation in extremely humid weather. The difference between the temperature of the outside air and that of the windshield could cause the outer surface of the windshield to fog up, causing loss of visibility.

    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.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Evaporator 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 evaporator core (A) from the heater unit.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Heater Control Unit

    Components and components location Component Location1. Heater control unitComponents[Connector A] Pin No Function Pin No Function 1Mode control actuator (Feedback)21Mode control actuator (Vent)2Intake actuator (Feedback)22Mode control actu

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