Kia Soul 2018 Owner's Manual page 590

Specifications & Consumer information
Lubricant
Dual clutch transmission
fluid
Coolant
Brake/Clutch fluid
Fuel
9 8
Volume
1.9 l ~ 2.0 l
1.6 L T-GDI
(2.0 ~ 2.1 US qt.)
M/T 5.1 l (5.39 US qt.)
1.6 L GDI
A/T 5.0 l (5.29 US qt.)
1.6 L T-GDI DCT 6.0 l (6.34 US qt.)
2.0 L GDI A/T 5.0 l (5.29 US qt.)
0.7~0.8 l
(0.7 ~ 0.8 US qt.)
54 l (14.26 US gal.)
Classification
SAE 70W API GL-4,
HK SYN DCTF 70W,
SPIRAX S6 GHME 70W ECTF,
GS DCTF HD 70W
Mixture of antifreeze and distilled water
(Ethylene-glycol with phosphate based
coolant for cooling device)
FMVSS116 DOT-3 or DOT-4
Refer to "Fuel requirements" in chapter 1