Checking The Radiator And Condenser; Spark Plugs - Lexus SC 430 2004 Manual

CHECKING THE RADIATOR AND
CONDENSER
If either of the above parts are extremely dirty or you are not
sure of their condition, take your vehicle to a 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

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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.
ENGINE
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