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 Service Manual: AVN(Audio Video Navigation) head unit Components and Components Location
Components
Connector Pin Information
NoConnector AConnector BConnector C1-Multmedia-CAN (High)Chassis-CAN (Low)2--Chassis-CAN (High)3---4-Steering wheel remote controller-5SPDIF Shield GND--6SPDIF (+)MTS keypad signal-7---8Illumination (+)AUX R input-9-Multimedia jack (GND)- 10-MIC (+)-11-Batt ...
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location
1. Back view camera2. AVN monitor
...