Acura 2004 TSX - Owner's Manual - Manual (Page 248)

Make sure the API Certification Seal
says ‘‘For Gasoline Engines.’’
You may use a synthetic motor oil if
it meets the same requirements
given for a conventional motor oil: it
displays the API Certification Seal,
and it is the proper weight as shown
on the chart. When using synthetic
oil, you must follow the oil and filter
change intervals given in the
maintenance schedule.
The oil’s viscosity or weight is
provided on the container’s label.
Select the oil for your car according
to this chart.
5W-30 oil is formulated for year-
round protection of your Acura, to
improve cold weather starting, and
to help your engine use less fuel.
Synthetic Oil
Engine Oil
Maintenance 245
API CERTIFICATION SEAL
Ambient Temperature
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