This indicator light illuminates:
Hyundai Kona (OS) 2018-2024 Service Manual: Components and components location
Components
1. Blind-Spot Collision Warning
(BCW) Unit
2. BCW switch
3. Speaker
4. BCW warning lamp
5. Cluster
...
Hyundai Kona (OS) 2018-2024 Service Manual: Brake Booster Vacuum Pressure Sensor Repair procedures
Inspection
1.
Check installation status of BBVPS and Vacuum hose or damage of vacuum
hose.
2.
Connect GDS to DLC (Data Link Cable).
3.
Warm up the engine to normal operating temperature.
4 ...