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8 31
Maintenance
Recommended coolant
• When adding coolant, use only
deionized water or soft water for
your vehicle and never mix hard
water in the coolant filled at the fac-
tory. An improper coolant mixture
can result in serious malfunction or
engine damage.
• The engine in your vehicle has alu-
minum engine parts and must be
protected by an ethylene-glycol
with phosphate based 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. This would
reduce the effectiveness of the
solution.
For mixture percentage, refer to the
following table.
Ambient
Temperature
Mixture Percentage
(volume)
Antifreeze
Water
-15°C (5°F)
35
65
-25°C (-13°F)
40
60
-35°C (-31°F)
50
50
-45°C (-49°F)
60
40
OJF075007
OJFH075165
Содержание Optima PHEV 2018
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