Synthetic Oil - Honda Odyssey 2001 Reference Owner's Manual

Engine Oil
The numbers on the container's
label tell you the oil's viscosity or
weight. Select the oil for your
vehicle according to this chart.
Ambient Temperature
Maintenance
An oil with a viscosity of 5W-30 is
preferred for improved fuel economy
and year-round protection of your
Honda.

Synthetic Oil

You may use a synthetic motor oil if
it meets the same requirements
given for 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.