Lexus 2007 GS430 Quick Manual page 566

STEP 6
Have the vehicle checked at your nearest Lexus dealer as soon as pos-
sible.
Overheating
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In the following situations, your vehicle may be overheating.
The engine coolant temperature gauge enters the red zone or a loss of power is
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experienced.
Steam is coming from under the hood.
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CAUTION
To prevent an accident or injury when inspecting under the hood of your vehicle
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Keep hands and clothing away from the fan and engine drive belt while the
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engine is running.
Do not loosen the radiator cap while the engine and radiator are hot.
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Serious injury, such as burns, may result from hot coolant and steam released
under pressure.
5-2. Steps to take in an emergency
Add coolant if required.
Water can be used in an emer-
gency measure if coolant is
unavailable. ( P. 502)
I n f o r ma t i o n P r o v i d e d b y :
5
493