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) Owners Manual: System Malfunction
Check Forward Collision Avoidance Assist system
When FCA is not working properly, the FCA warning light ()
will illuminate and the warning message will appear for a few seconds. After
the message disappears, the master warning light ()
will illuminate. In this case, have the vehicle i ...
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location
1. Hood switch2. Burglar horn3. BCM4. Door lock / unlock buzzer5. Front door switch6. Rear door switch
...