Kia Niro Owner's Manual page 473

For mixture percentage, refer to the
following table.
Mixture Percentage
Ambient
(volume)
Temperature
Antifreeze
-15°C (5°F) 35
-25°C (-13°F) 40
-35°C (-31°F) 50
-45°C (-49°F) 60
Water
65
60
50
40
WARNING
Radiator cap
Do not remove the radiator cap
when the engine and radiator
are hot. Scalding hot coolant
ODE076006
and steam may blow out under
pressure
injury.
ODE076004
Maintenance
causing serious
8 31