This button is used to select the outside (fresh) air position or recirculated air position.
Recirculated air position
With the recirculated air position selected, air from the passenger compartment will be drawn through the heating system and heated or cooled according to the function selected.
Outside (fresh) air position
With the outside (fresh) air position selected, air enters the vehicle from outside and is heated or cooled according to the function selected.
Information
Prolonged use of the air conditioning with the recirculated air position selected will result in excessively dry air in the passenger compartment.
WARNING
Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Regulator Repair procedures
Removal
1.
Remove the fuel pump.
(Refer to Fuel Delivery System - "Fuel Pump")
2.
Remove the fuel pressure regulator fixing clip (A).
3.
Remove the fuel pressure regulator (B) from the fuel filter.
Installation
1.
Install in the reverse order of removal. ...
Hyundai Sonata LF 2014-2019 Service Manual: Power Window Switch Schematic Diagrams
Circuit Diagram
Driver Power Window Switch
[Driver Power Window Module (IMS, Front Safety)]
[Driver Power Window Switch (Non-IMS, Front Safety)]
[Driver Power Window Switch (Non-IMS, Driver Safety)]
Assist Power Window Switch
[Assist Power Window Module (IMS, Safety)]
[Assist Power ...