Push the A/C button to turn the air conditioning system on (indicator light will illuminate).
Push the button again to turn the air conditioning system off.
Hyundai Kona (OS) 2018-2024 Service Manual: Lumber Support Units Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")
3.
Remove the seat back.
...
Hyundai Kona (OS) 2018-2024 Owners Manual: Downhill Brake Control (DBC)
The Downhill Brake Control (DBC) supports the driver come down a steep hill without
depressing the brake pedal.
It slows down the vehicle under 8 km/h (5 mph) (for dual clutch transmission
vehicles) or 8 km/h (5 mph) (for manual transaxle vehicles) and lets the driver
concentrate on steering the ...