HONDA 2003 Accord Coupe - Owner's Manual - Manual (Page 298)

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.
5W-20 oil is formulated for year-
round protection of your Honda, to
improve cold weather starting, and
to help your engine use less fuel.
The oil’s viscosity or weight is
provided on the container’s label.
Select the oil for your car according
to this chart. Synthetic Oil
Engine Oil
Maintenance 295
API CERTIFICATION SEAL
Ambient Temperature
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