Toyota FJ Cruiser Instructions For Adjusting And Operating page 353

5−2. Steps to take in an emergency
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Overheating
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.
l Steam is coming from under the hood.
CAUTION
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To prevent an accident or injury when inspecting under the hood of
your vehicle
l Keep hands and clothing away from the fan and other belts while the
engine is running.
l Do not loosen the radiator cap while the engine and radiator are hot.
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
NOTICE
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When adding engine coolant
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.
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