Hyundai 2016 Tucson Owner's Manual page 547

Maintenance
(Continued)
■ Engine room rear view
OTLA075063
2. Make sure that the tiny pro-
trusions inside the coolant
cap should be securely inter-
locked.
7-34
Recommended engine 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 improper coolant mixture can
result in severe malfunction or
engine damage.
• The engine in your vehicle has alu-
minum 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 spec-
ified coolant.
• 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:
Mixture Percentage
Ambient
(volume)
Temperature
Antifreeze
5°F (-15°C) 35
-13°F (-25°C) 40
-31°F (-35°C) 50
-49°F (-45°C) 60
i
Information
If in doubt about the mix ratio, a 50%
water and 50% antifreeze mix is the
easiest to mix together as it will be the
same quantity of each.
It is suitable to use for most tempera-
ture ranges of -31°F and higher.
Water
65
60
50
40