Two people (including children) should never attempt to use a single seat belt. This could increase the severity of injuries in case of an accident.
Hyundai Kona (OS) 2018-2025 Service Manual: Driver Airbag (DAB) Module and Clock Spring Repair procedures
Removal
1.
Disconnect the battery negative cable and wait for at least three minutes
before beginning work.
2.
Putting in a flat tool (Ø5mm) into the guide hole (A) and then release
the DAB fixed pin.
...
Hyundai Kona (OS) 2018-2025 Service Manual: Components and components location
Components
1. ABS control module (HECU)
2. Front wheel speed sensor
3. Rear wheel speed sensor
4. ABS warning lamp
5. EBD / parking brake warning lamp
...