The hazard warning flasher serves as a warning to other drivers to exercise extreme caution when approaching, overtaking, or passing your vehicle.
It should be used whenever emergency repairs are being made or when the vehicle is stopped near the edge of a roadway.
To turn the hazard warning flasher on or off, press the hazard warning flasher button with the ignition switch in any position. The button is located in the center fascia panel. All turn signal lights will flash simultaneously.
Hyundai Kona (OS) 2018-2025 Service Manual: 4WD ECU Repair procedures
Replacement
1.
Prior to replacing the 4WD ECU, check the 4WD ECU's clutch learing with
the GDS tool.
(Refer to 4WD Control System - "Repair procedure")
2.
Turn ignition switch OFF and disconnect the negative (- ...
Hyundai Kona (OS) 2018-2025 Owners Manual: Disc brakes wear indicator
When your brake pads are worn and new pads are required, you will hear a high
pitched warning sound from your front or rear brakes. You may hear this sound come
and go or it may occur whenever you depress the brake pedal.
Note that some driving conditions or climates may cause a brake squeal when ...