This indicator light illuminates:
For more details, refer to "Electronic Stability Control (ESC)" in chapter 5.
Hyundai Elantra AD (2016-2020) Service Manual: Power Window Switch Components and Components Location
Components
[Driver Power Window Switch]
[Assist Power Window Switch]
[Rear Power Window Switch] ...
Hyundai Elantra AD (2016-2020) Owners Manual: Inside lamp
Tail light (Type A)
1. Open the trunk.
2. Loosen the retaining screw of the trunk lid cover and then remove the cover.
3. Disconnect the connector and then remove the nuts by turning the nuts counter
clockwise.
4. Take the light assembly out.
5. Remove the socket from the assembly by ...