Kia Optima 2017 Owner's Manual page 590

Maintenance
ENGINE COMPARTMENT
Gasoline Engine (Nu 2.0L - CVVL)
Gasoline Engine (Nu 2.0L - MPI)
The actual engine room in the vehicle may differ from the illustration.
8-04
1. Engine coolant reservoir
2. Engine oil filler cap
3. Brake/Clutch
equipped)
4. Air cleaner
5. Fuse box
6. Negative battery terminal
7. Positive battery terminal
8. Engine oil dipstick
9. Radiator cap
10. Windshield washer fluid reservoir
OJF075074L/OJFW076219L
fluid reservoir (if