This warning light informs the driver that the seat belt is not fastened.
For more details, refer to “Seat Belts” in chapter 2.
Hyundai Kona (OS) 2018-2023 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) 2018-2023 Owners Manual: Detecting vehicles
The sensor may be limited when:
The radar sensor or camera is blocked with a foreign object or debris
The camera lens is contaminated due to tinted, filmed or coated windshield,
damaged glass, or stuck of foreign matter (sticker, bug, etc.) on the glass
Inclement weather such as heavy rain or ...