To open :
Pull the lever (1).
Hyundai Kona (OS) 2018-2023 Service Manual: Components and components location
Components Location
1. PCV Valve
2. Canister
3. Purge Control Solenoid Valve (PCSV)
4. Fuel Tank Air Filter
5. Fuel Level Sensor (FLS)
6. Catalytic Converter (WCC)
7. Gasoline Particulate Filter (GPF)
1. PCV Valve
...
Hyundai Kona (OS) 2018-2023 Service Manual: Master Cylinder Components and components location
Components
1. Reservoir cap
2. Reservoir
3. Reservoir pin
4. Grommet
5. Master cylinder
...