When the ignition switch is placed to the ON position, the ESC indicator light illuminates, then goes off if the ESC system is operating normally.
The ESC indicator light blinks whenever the ESC is operating.
If ESC indicator light stays on, your vehicle may have a malfunction with the ESC system. When this warning light illuminates have your vehicle checked by an authorized HYUNDAI dealer as soon as possible.
The ESC OFF indicator light comes on when the ESC is turned off.
WARNING
When the ESC is blinking, this indicates the ESC is active:
Drive slowly and NEVER attempt to accelerate. NEVER turn the ESC off while the ESC indicator light is blinking or you may lose control of the vehicle resulting in an accident.
NOTICE
Driving with wheels and tires with 5 different sizes may cause the ESC system to malfunction. Before replacing tires, make sure all four tires and wheels are the same size. Never drive the vehicle with different sized wheels and tires installed.
Hyundai Elantra AD (2016-2020) Owners Manual: Vehicle Stability Management (VSM)
The Vehicle Stability Management (VSM) is a function of the Electronic Stability
Control (ESC) system. It helps ensure the vehicle stays stable when accelerating
or braking suddenly on wet, slippery and rough roads where traction over the four
tires can suddenly become uneven.
WARNING
Take t ...
Hyundai Elantra AD (2016-2020) Service Manual: Evaporator Core Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater - "Heater Unit")
3.
Remove the heater unit lower case (A) after loosening the mounting screws.
4.
Pull out the evaporator core (A) from the heater unit.
5.
T ...