Hyundai Staria US4 2021 Owner's Manual page 691

WARNING
Make sure the coolant cap is properly
closed after refilling coolant. Otherwise
the engine could be overheated while
driving.
Engine compartment front view Engine compartment front view
1. Check if the coolant cap label is
straight in front.
2. Make sure that the tiny protrusions
inside the coolant cap is securely
interlocked.
Recommended coolant
• When adding coolant, use only
deionized water, distilled water or soft
water for your vehicle and never mix
hard water in the coolant filled at the
factory.
• An incorrect coolant mixture can
result in severe malfunction or engine
damage.
• The engine in your vehicle has
aluminum engine parts and must be
protected by an phosphate-based
ethylene glycol coolant to prevent
corrosion and freezing.
• Do not use alcohol or methanol
coolant or mix them with the specified
coolant.
ODN8089052L ODN8089052L
• Do not use a solution that contains
more than 60% antifreeze or less than
35% antifreeze, which would reduce
the effectiveness of the solution.
For mixing percentage, refer to the
following table:
Ambient
Temperature
-15°C (5°F)
-25°C (-31°F)
-35°C (31°F)
OJX1099046 OJX1099046
-45°C (-49°F)
09
Mixture Percentage
(volume)
Antifreeze Water
35 65
40 60
50 50
60 40
9-31