Toyota 4runner 2009 User Manual page 460

Overheating
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If you observe the following, your vehicle may be overheating.
l The engine coolant temperature gauge enters the red zone or a loss of
power is 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
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your vehicle
If steam is seen coming from under the hood, do not open the hood until
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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
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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.
NOTICE
When adding engine coolant
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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.
5-2. Steps to take in an emergency
5
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