Lexus ES350 Manual page 828

Start the hybrid system and check for the multi-information display.
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If the message does not disappear:
Stop the hybrid system and contact your Lexus dealer.
If the message is not displayed:
Have the vehicle inspected at the nearest Lexus dealer.
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.
After the hybrid system has been turned off, check that the indicator on the
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"POWER" switch and the "READY" indicator are off.
When the hybrid system is operating, the gasoline engine may automatically
start, or the cooling fan may suddenly operate even if the gasoline engine stops.
Do not touch or approach rotating parts such as the fan, which may lead to fin-
gers or clothing (especially a tie, a scarf or a muffler) getting caught, resulting in
serious injury.
Do not loosen the radiator cap or the coolant reservoir cap while the hybrid sys-
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tem and radiator are hot. High temperature steam or coolant could spray out.
NOTICE
When adding engine/power control unit coolant
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Add coolant slowly after the hybrid system has cooled down sufficiently. Adding
cool coolant to a hot hybrid system too quickly can cause damage to the hybrid
system.
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 additives.
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ES350_300h_OM_OM33A60U_(U)
7-2. Steps to take in an emergency
827
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