This indicator light illuminates:
For more details, refer to "Electronic Stability Control (ESC)" in chapter 5.
Hyundai Elantra AD (2016-2020) Owners Manual: Electronic Stability Control (ESC)
The Electronic Stability Control (ESC) system helps to stabilize the vehicle
during cornering maneuvers. ESC checks where you are steering and where the vehicle
is actually going. ESC applies braking pressure to any one of the vehicle's brakes
and intervenes in the engine management syst ...
Hyundai Elantra AD (2016-2020) Service Manual: Power Door Lock Module Components and Components Location
Conponents
1. Door lock/unlock knob cable2. Door inside handle cable3. Door Latch
...