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) Service Manual: Tire Repair procedures
Tire Wear
1.
Measure the tread depth of the tires.
Tread depth [limit] : 1.6 mm (0.063 in)
2.
If the remaining tread depth (A) is less than the limit, replace the tire.
When the tread depth of the tires is less than 1.6 mm(0.063 in), the wear indicators (B) will a ...
Hyundai Elantra AD (2016-2020) Owners Manual: Manual Transmission Operation
The manual transmission has 6 forward gears. The transmission is fully synchronized
in all forward gears so shifting to either a higher or a lower gear is easily accomplished.
WARNING
Before leaving the driver's seat, always make sure the shift lever is in 1st
gear when the vehicle is park ...