Hyundai Kona (OS) 2018-2022 Owners Manual: Tire Pressure Monitoring System (TPMS) (Type A)
(1) Low tire pressure telltale / TPMS malfunction indicator
Each tire, including the spare (if provided), should be checked monthly when
cold and inflated to the inflation pressure recommended by the vehicle manufacturer
on the vehicle placard or tire inflation pressure label. (If your vehicle ha ...
Hyundai Kona (OS) 2018-2022 Service Manual: Fuel Line Repair procedures
Removal
1.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel
Line")
2.
Turn the ignition switch OFF, and then remove battery (-) terminal.
...