For your safety, the dual clutch transmission has a shift-lock system which prevents shifting the transmission from P (Park) into R (Reverse) unless the brake pedal is depressed. To shift the transmission from P (Park) into R (Reverse):
1. Depress and hold the brake pedal.
2. Start the engine or place the ignition switch in the ON position.
3. Move the shift lever.
Hyundai Kona (OS) 2018-2022 Service Manual: Photo Sensor Repair procedures
Inspection
1.
Turn the ignition switch ON.
2.
Connect the GDS.
3.
Emit intensive light toward the photo sensor using a lamp, and check
the output voltage change.
...
Hyundai Kona (OS) 2018-2022 Service Manual: Auto Head Lamp Leveling Unit Repair procedures
Inspection
1.
Ignition "ON".
2.
Turn on the head lamp switch.
3.
Check that the aim of the head lamp changes smoothly when the head
lamp leveling device switch is tur ...