Hyundai i30 Owner's Manual page 551

Maintenance
■ Type A
■ Type B
7-38
WARNING
Never
coolant cap/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
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the engine cools down. Use
extreme care when removing the
coolant cap/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
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remove it.
remove the
and can cause serious injury.
Keep hands, clothing and tools
away from the rotating fan blades
of the cooling fan.
The electric motor for the cooling fan
is controlled by engine coolant tem-
perature, refrigerant pressure and
vehicle speed. As the engine coolant
temperature decreases, the electric
motor will automatically shut off. This
is a normal condition. If your vehicle
is equipped with GDI, the electric
motor for the cooling fan may begin
to operate at any time and continue
to operate until you disconnect the
negative battery cable.
WARNING
The electric motor for
the cooling fan may
continue to operate
or start up when the
engine is not running