Honda 1995 Civic Coupe Online Reference Owner's Manual page 104

The oil container may also
display the API Certification seal.
Make sure it says "For Gasoline
Engines."
API CERTIFICATION SEAL
The SAE numbers tell you the
oil's viscosity or weight. Select
the oil for your car according to
this chart:
Ambient Temperature
An oil with a viscosity of 5W-30 is
preferred for improved fuel
economy and year-round
protection in your Honda. You may
use a 10W-30 oil if the temperature
in your area never goes below 20°F
(-7°C).
Engine Oil
Additives
Your Honda does not need any
oil additives. Purchasing
additives for the engine or
transmission will not increase
your car's performance or
longevity. It only increases the
cost of operating your car.
Oil and Filter Changes
Always change the oil and filter
according to the time and
distance (miles/kilometers)
recommendations on the
maintenance schedule. The oil
and filter collect contaminants
that can damage your engine if
they are not removed regularly.
Changing the oil and filter
requires special tools and access
from underneath the car. The car
should be raised on a service
station-type hydraulic lift for this
service. Unless you have the
knowledge and proper
Maintenance