Lexus RX350 2023 Manual page 521

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Owner's Manual" is shown on the
multi-information display.
If the message does not disappear:
Stop the engine and contact your Lexus
dealer.
If the message is not displayed:
Have the vehicle inspected at the nearest
Lexus dealer.
WARNING
When inspecting under the hood of
your vehicle
Observe the following precautions.
Failure to do so may result in serious
injury such as burns.
If steam is seen coming from under the
hood, do not open the hood until the
steam has subsided. The engine com-
partment may be very hot.
Keep hands and clothing (especially a
tie, a scarf or a muffler) away from the
fan and belts. Failure to do so may
cause the hands or clothing to be
caught, resulting in serious injury.
Also, it may operate for several min-
utes even after the engine switch is
turned off.
Do not loosen the radiator cap and the
coolant reservoir caps while the
engine and radiator are hot.
High temperature steam or coolant
could spray out.
NOTICE
When adding engine coolant
Add coolant slowly after the engine has
cooled down sufficiently. Adding cool
coolant to a hot engine too quickly can
cause damage to the engine.
To prevent damage to the cooling sys-
tem
Observe the following precautions:
7-2. Steps to take in an emergency
Avoid contaminating the coolant with
foreign matter (such as sand or dust,
etc.).
Do not use any coolant additive.
521
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