This indicator light illuminates
When there is a malfunction on the low washer, Smart cruise control, and so on.
To identify the details of the warning, look at the LCD display.
Hyundai Sonata LF 2014-2019 Owners Manual: Radar to Detect Distance to the Vehicle Ahead
The Smart Cruise Control uses a radar to detect distance to the vehicle ahead.
Radar check message
If the radar or cover is dirty or obscured with foreign matter such as snow,
this message will appear. In this case, the system may not function temporarily,
but it does not indicate a malfunction ...
Hyundai Sonata LF 2014-2019 Service Manual: Driver Airbag (DAB) Module and Clock Spring Components and Components Location
Components
1. Driver airbag (DAB)2. Steering wheel3. Clock spring
...