Lexus LS460 2011 Owner's Manual page 781

5-2. Steps to take in an emergency
CAUTION

To prevent an accident or injury when inspecting under the hood of your
vehicle

If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot, caus-
ing serious injury such as burns.

Keep hands and clothing away from the fan and other belts while the
engine is running.

Do not loosen the coolant reservoir cap while the engine and radiator are
hot.
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
NOTICE

When adding engine coolant
Wait until the engine has cooled down before adding engine coolant.
When adding coolant, do so slowly. Adding cool coolant to a hot engine too
quickly can cause damage to the engine.
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