The ignition key cannot be removed unless the shift lever is in the P (Park) position.
Hyundai Kona (OS) 2018-2019 Owners Manual: Parking Distance Warning (Reverse/Forward) system
[A] : Rear Sensor, [B] : Front Sensor
The Parking Distance Warning (Reverse/Forward) system assists the driver during
movement of the vehicle by chiming if any object is sensed within the distance of
100 cm (39 inches) in front and 120 cm (47 inches) behind the vehicle.
This system is a supplemen ...
Hyundai Kona (OS) 2018-2019 Service Manual: Components and components location
Components
1. Height adjust
2. Front seat belt pretensioner
...