Hyundai Sonata: Heating and Air Conditioning / Temperature control

Instrument panel vents

The outlet vents can be opened () or closed () separately using the thumbwheel. Also, you can adjust the direction of air delivered from these vents using the vent control lever as shown. ...

Air intake control

This button is used to select the outside (fresh) air position or recirculated air position. Recirculated air position The indicator light on the button illuminates when the recirculated air positi ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: BLUE LINK Unit Components and Components Location
Component (Only for the audio TMU System)     The Blue Link unit for AVN is equipped in the AVN head unit. ...

Hyundai Sonata LF 2014-2019 Service Manual: Steering Angle Sensor Description and Operation
Description Steering Wheel Angle Sensor detects rotating direction of the vehicle. Rotating direction detected by the sensor is communicated with HECU as CAN signal involving information about the angle through CAN communication line. HECU detects speed of the steering wheel handling and ...