Lexus RX300 2003, Owner'S Manual

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CHECKING THE RADIATOR AND
CONDENSER
If any of the above parts are extremely dirty or you are not sure
of their condition, take your vehicle to Lexus dealer.
CAUTION
To prevent burning yourself, be careful not to touch the
radiator or condenser when the engine is hot.
NOTICE
To prevent damage to the radiator and condenser, do
not perform the work by yourself.
SPARK PLUGS
62R031c
Your engine is fitted with iridium–tipped spark plugs.
NOTICE
Use only iridium–tipped spark plugs and do not adjust
gaps for your engine performance and smooth
drivability.