Hyundai Sonata: Manual climate control system - Defogging logic - Windshield defrosting and defogging - Features of your vehicle - Hyundai Sonata YF 2011-2018 Owner's ManualHyundai Sonata: Manual climate control system

1. Turn the ignition switch to the ON position.

1. Turn the ignition switch to the ON position.
2. Turn the mode selection knob to the defrost position (3. Push the air intake control button at least 5 times within 3 seconds.).
3. Push the air intake control button at least 5 times within 3 seconds.

The indicator light in the air intake control button will blink 3 times with 0.5 second of interval. It indicates that the defogging logic is canceled or returned to the programmed status.

If the battery has been discharged or disconnected, the system resets to the programmed defogging logic.

    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 ...

    Automatic climate control system
    1. Turn the ignition switch to the ON position. 2. Select the defrost position pressing defrost button (). 3. While holding the air conditioning button (A/C) pressed, press the air intake contro ...

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