Maintenance
9-22
Engine Coolant
The high-pressure cooling system has a
reservoir filled with year-round antifreeze
coolant. The reservoir is filled at the
factory.
Check the antifreeze protection and
coolant level at least once a year, at the
beginning of the winter season and
before traveling to a colder climate.
Checking the coolant level
Smartstream G1.6 T-GDI
2C_EngineCoolant
Smartstream G2.0 ATKINSON
2C_EngineCoolant_2
Check the condition and connections of
all cooling system hoses and heater
hoses. Replace any swollen or
deteriorated hoses.
The coolant level should be filled between
the MAX and the MIN marks on the side of
the coolant reservoir when the engine is
cool.
If the coolant level is low, add enough
distilled (deionized) water to bring the
level to the MAX mark, but do not overfill.
If frequent additions are required, have
your vehicle inspected by an authorized
HYUNDAI dealer for a cooling system
inspection.
WL_RadiatorHotWarning
Never remove the radiator cap or the
drain plug while the engine and radiator
are hot. Hot coolant and steam may blow
out under pressure, causing serious
injury.
Turn the engine off and wait until the
engine cools down. Use extreme care
when removing the radiator cap. Wrap a
thick towel around it, and turn it
counterclockwise slowly to the first stop.
Step back while the pressure is released
from the cooling system. When you are
sure all the pressure has been released,
press down on the cap, using a thick
towel, and continue turning
counterclockwise to remove it.
The coolant level is influenced by the
engine temperature. Before checking or
refilling the coolant, turn the engine off.
Hyundai_SX2_en_US.book Page 22
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