To sound the horn, press the area indicated by the horn symbol on your steering wheel. The horn will operate only when this area is pressed.
NOTICE
Do not strike the horn severely to operate it, or hit it with your fist. Do not press on the horn with a sharp-pointed object.
Hyundai Kona (OS) 2018-2024 Owners Manual: Emergency Stop Signal (ESS)
The Emergency Stop Signal system alerts the driver behind by blinking the stop
lights, while sharply and severely braking.
The system is activated when:
The vehicle suddenly stops. (The deceleration power exceeds 7 m/s2, and
the driving speed exceeds 55 km/h (34 mph).)
The ABS is activated and ...
Hyundai Kona (OS) 2018-2024 Service Manual: Repair procedures
Inspection
–
The ON/OFF for FCA is included in the USM (User Setting Menu) and the
default is ON.
–
While IGN is On, it stays at ON, however, the driver's settings do not
last next time when IGN is newly On.
...