When The Hybrid System Is Hot; When Adding Coolant; If You Spill Coolant; Radiator And Condenser Check - Lexus rx450h Service Manual

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6-3. Do-it-yourself maintenance
WARNING

When the hybrid system is hot

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Do not remove the engine/power control unit coolant reservoir caps and radiator cap.
The cooling system may be under pressure and may spray hot coolant if the cap is
removed, causing serious injuries, such as burns.
NOTICE

When adding coolant

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Coolant is neither plain water nor straight antifreeze. The correct mixture of water and
antifreeze must be used to provide proper lubrication, corrosion protection and cool-
ing. Be sure to read the antifreeze or coolant label.

If you spill coolant

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Be sure to wash it off with water to prevent it from damaging parts or paint.
Radiator and condenser
Check the radiator and condenser and clear away any foreign objects.
If either of the above parts is extremely dirty or you are not sure of their condi-
tion, have your vehicle inspected by your Lexus dealer.
WARNING
When the hybrid system is hot
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Do not touch the radiator or condenser as they may be hot and cause serious injuries,
such as burns.
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