Hyundai Elantra AD (2016-2020) Owners Manual: Operating Door Locks from Inside the Vehicle
With the door lock button
To unlock a door, pull the door lock button (1) to the "Unlock" position.
The red mark (2) on the door lock button will be visible.
To lock a door, push the door lock button (1) to the "Lock" position. If
the door is locked properly, the re ...
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 ...