Hyundai Sonata: Heating and Air Conditioning / Temperature control

The temperature will increase by turning the knob to the right.

The temperature will decrease by turning the knob to the left.

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 Owners Manual: Care of Seat Belts
Seat belt systems should never be disassembled or modified. In addition, care should be taken to assure that seat belts and belt hardware are not damaged by seat hinges, doors or other abuse. Periodic inspection All seat belts should be inspected periodically for wear or damage of any kind. Any d ...

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Fuel Pressure Test (Low pressure system) 1. Release the residual pressure in fuel line. (Refer to the Fuel Delivery System - Repair Procedures - "Release Residual Pressure in Fuel Line").     When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur. Dele ...

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