Lexus LS460 User Manual page 835

834
7-2. Steps to take in an emergency
CAUTION
When inspecting under the hood of your vehicle
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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
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steam has subsided. The engine compartment may be very hot.
Keep hands and clothing (especially a tie, a scarf or a muffler) away from the fans
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and belts. Failure to do so may cause the hands or clothing to be caught, resulting
in serious injury.
Do not loosen the coolant reservoir cap
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while the engine and radiator are hot.
High temperature steam or coolant could
spray out.
NOTICE
When adding engine coolant
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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 system
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Observe the following precautions:
Avoid contaminating the coolant with foreign matter (such as sand or dust etc.).
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Do not use any coolant additive.
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LS460/LS460L_U (OM50D48U)