Automatic Ventilation
When the ignition switch is in the ON position or when the engine is running and outside temperature is below 59°F (15°C). At the same time, when A/C mode is off and mode is Bi-Level or Floor mode with the recirculated air position selected more than five minutes, the air intake position will automatically change to the outside (fresh) air position.
To cancel or reset the Automatic Ventilation
When the air conditioning system is on, select Face Level mode and while pressing the A/C button, press the recirculated air position button five times within three seconds.
Sunroof Inside Air Recirculation
When the heater or air conditioning system is on with the sunroof opened, the outside (fresh) air position will be automatically selected. At this time, if you press the recirculated air position button, the recirculated air position will be selected but will change back to the outside (fresh) air position after 3 minutes.
When the sunroof is closed, the air intake position will return to the original position that was selected.
Hyundai Sonata LF 2014-2019 Owners Manual: Automatic Climate Control System
To defog inside windshield
1. Select desired fan speed.
2. Select desired temperature.
3. Press the defroster button ().
4. The outside (fresh) air position will be selected automatically.
If the outside (fresh) air position is not selected automatically, adjust the
corresponding button manually.
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Hyundai Sonata LF 2014-2019 Owners Manual: Power window lock switch
The driver can disable the power window switches on the rear passenger's doors
by pressing the power window lock switch.
When the power window lock switch is pressed:
The driver's master control can operate all the power windows.
The front passenger's control can operate the front passenger's p ...