Lexus GX460 Manual page 621

4-3. Do-it-yourself maintenance
Radiator and condenser
Check the radiator and condenser and clear any foreign objects. 
If either of the above parts is extremely dirty or you are not sure of their
condition, have your vehicle checked by your Lexus dealer.
CAUTION
When the engine is hot
■
Do not touch the radiator or condenser as they may be hot and cause burns.
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GX460_U.S.A. (OM60G24U)