Icy Road Warning Light

This warning light is to warn the driver the road may be icy.
When the temperature on the outside temperature gauge is approximately below 40°F (4°C), the Icy Road Warning Light and Outside Temperature Gauge blinks and then illuminates. Also, the warning chime sounds 1 time.
You can activate or deactivate Icy Road Warning function from the User Settings mode in the cluster LCD display (if equipped with supervision cluster).
Information
If the icy road warning light appears while driving, you should drive more attentively and safely refraining from over-speeding, rapid acceleration, sudden braking or sharp turning, etc.
Electronic Stability Control (ESC) Indicator Light

This indicator light illuminates:
This indicator light blinks:
While the ESC is operating.
For more details, refer to "Electronic Stability Control (ESC)" in chapter 5.
Master, Door Ajar, Trunk Open, Hood Open Warning Lights Light
Electronic Stability Control (ESC) OFF Indicator LightHyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Adjustment
Glass Adjustment
•
Check the glass run channel for damage or deterioration, and replace them if necessary.
1.
Remove the rear door trim.
(Refer to Rear Door - "Rear Door Trim")
2.
Separate the mounting plug hole (A) from the rear door module.
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Hyundai Elantra AD (2016-2020) Service Manual: Side Impact Sensor (SIS) Components and Components Location
Components
1. Front Pressure Side Impact Sensor (P-SIS)2. Front Gravity Side Impact Sensor (G-SIS)
...