Hyundai Elantra AD (2016-2020) Service Manual: Water Temperature Control Assembly Repair procedures
Removal and Installation
1.
Remove the engine cover.
(Refer to Engine And Transaxle Assembly - “Engine Cover”)
2.
Drain the engine coolant so its level is below water temperature control assembly.
(Refer to Cooling System - "Coolant")
3.
Remove the air duct and air cleaner assembly ...
Hyundai Elantra AD (2016-2020) Owners Manual: Air intake control
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
s ...