ESC ON condition
When the ignition switch is in the ON position, the ESC and the ESC OFF indicator lights illuminate for approximately three seconds. After both lights go off, the ESC is enabled.
When operating
When the ESC is in operation, the ESC indicator light blinks:
ESC OFF condition
To cancel ESC operation :
• State 1
Press the ESC OFF button briefly. The ESC OFF indicator light and message (if equipped with supervision cluster) will illuminate. In this state, the traction control function of ESC (engine management) is disabled, but the brake control function of ESC (braking management) still operates.
• State 2
Press and hold the ESC OFF button continuously for more than 3 seconds. The ESC OFF indicator light and message (if equipped with supervision cluster) illuminates and a warning chime sounds. In this state, both the traction control function of ESC (engine management) and the brake control function of ESC (braking management) are disabled. If the ignition switch is placed to the LOCK/OFF position when ESC is off, ESC remains off. Upon restarting the engine, the ESC will automatically turn on again.
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Components
1. Windshield glass
...
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 ...