Lexus 2007 GS430 Quick Manual page 458

4-3. Do-it-yourself maintenance
CAUTION
When the engine is hot
n
Do not remove the radiator cap.
The cooling system may be under pressure and may spray hot coolant if the cap is
removed, causing burns or other injuries.
NOTICE
When adding the coolant
n
Coolant is neither plain water not straight antifreeze. The correct mixture of water
and anti freeze must be used to provide proper lubrication, corrosion protection
and cooling. Be sure to read the antifreeze or coolant label.
If you spill coolant
n
Be sure to wash it off with water to prevent it damage to parts or paint.
Radiator and condenser
Check the radiator and condenser and clear any foreign objects.
If either of the above parts are extremely dirty or you are not sure of their
condition, have your vehicle checked by your Lexus dealer.
CAUTION
When the engine is hot
n
Do not remove the radiator cap. The cooling system may be under pressure and
may spray hot coolant if the cap is removed, causing burns or other injuries.
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