2016-2026 Hyundai I30 4 Door Maintenance -> Engine coolant User Manual
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Maintenance -> Engine coolant for Your Hyundai I30 4 Door Third Generation (2016-2026)

Maintenance  
ENGINE COOLANT  
G060200AFD-EA  
G070000AFD-EA  
(Continued)  
The high-pressure cooling system has a  
reservoir filled with year-round antifreeze  
coolant. The reservoir is filled at the fac-  
tory.  
Check the antifreeze protection and  
coolant concentration level at least once  
a year, at the beginning of the winter sea-  
son, and before travelling to a colder cli-  
mate.  
Changing the engine oil and filter  
• Turn the engine off and wait until  
it 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.  
Have engine oil and filter changed by an  
authorised HYUNDAI dealer according to  
the Maintenance Schedule at the begin-  
ning of this section.  
G070100AFD-EA  
Checking the coolant level  
• Even if the engine is not operat-  
ing, do not remove the radiator  
cap or the drain plug while the  
engine and radiator are hot. Hot  
coolant and steam may still blow  
out under pressure, causing seri-  
ous injury.  
WARNING - Removing  
radiator cap  
• Never attempt to remove the radi-  
ator cap while the engine is oper-  
ating or hot. Doing so might lead  
to cooling system and engine  
damage and could result in seri-  
ous personal injury from escap-  
ing hot coolant or steam.  
WARNING  
Used engine oil may cause irrita-  
tion or cancer of the skin if left in  
contact with the skin for prolonged  
periods of time. Used engine oil  
contains chemicals that have  
caused cancer in laboratory ani-  
mals. Always protect your skin by  
washing your hands thoroughly  
with soap and warm water as soon  
as possible after handling used oil.  
(Continued)  
7 25  
Maintenance  
Type A  
If the coolant level is low, add enough  
specified coolant to provide protection  
against freezing and corrosion. Bring the  
level to F (MAX), but do not overfill. If fre-  
quent coolant refill is required, see an  
authorised HYUNDAI dealer for a cooling  
system inspection.  
For mixture percentage, refer to the fol-  
lowing table.  
Mixture Percentage (volume)  
Ambient  
Temperature  
Water  
Antifreeze  
G070101AUN-EA  
-15°C (5°F)  
-25°C (-13°F)  
-35°C (-31°F)  
-45°C (-49°F)  
35  
40  
50  
60  
65  
60  
50  
40  
Recommended engine coolant  
OHD076008  
• When adding coolant, use only deion-  
ized water or soft water for your vehicle  
and never mix hard water in the  
coolant filled at the factory. An improp-  
er coolant mixture can result in serious  
malfunction or engine damage.  
Type B  
• The engine in your vehicle has alu-  
minium engine parts and must be pro-  
tected by an ethylene-glycol-based  
coolant to prevent corrosion and freez-  
ing.  
• DO NOT USE alcohol or methanol  
coolant or mix them with the specified  
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.  
OED076024A  
Check the condition and connections of  
all cooling system hoses and heater  
hoses. Replace any swollen or deterio-  
rated hoses.  
The coolant level should be filled  
between F (MAX) and L (MIN) marks on  
the side of the coolant reservoir when the  
engine is cool.  
7 26  
Maintenance  
G070200AFD-EA  
Type A  
Changing the coolant  
WARNING - Coolant  
• Do not use radiator coolant or  
antifreeze in the washer fluid  
reservoir.  
• Radiator coolant can severely  
obscure visibility when sprayed  
on the windshield and may cause  
loss of vehicle control or damage  
to paint and body trim.  
Have coolant changed by an authorised  
HYUNDAI dealer according to the  
Maintenance Schedule at the beginning  
of this section.  
CAUTION  
Put a thick cloth or fabric around  
the radiator cap before refilling the  
coolant in order to prevent the  
coolant from overflowing into  
engine parts such as generator.  
OFD077037  
Type B  
OED076024  
WARNING - Radiator cap  
Do not remove the radiator cap  
when the engine and radiator are  
hot. Scalding hot coolant and  
steam may blow out under pres-  
sure causing serious injury.  
7 27  

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