When Adding Engine Coolant; To Prevent Damage To The Cooling System - Toyota Avalon Owner's Manual

WARNING
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To prevent an accident or injury when inspecting under the hood of
your vehicle
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
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the steam has subsided. The engine compartment may be very hot.
Keep hands and clothing (especially a tie, a scarf or a muffler) away from
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the fan and belts. Failure to do so may cause the hands or clothing to be
caught, resulting in serious injury.
Do not loosen the radiator cap and the coolant reservoir cap while the
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engine and radiator are hot.
High temperature steam or coolant could spray out.
NOTICE
■

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.
■

To prevent damage to the cooling system

Observe the following precautions:
Avoid contaminating the coolant with foreign matter (such as sand or dust
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etc.).
Do not use any coolant additives.
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