Honda 2007 Civic Hatchback Owner's Manual page 374

On Vehicles with DPF only
It is highly recommended that you
use genuine Honda Motor Oil or
0W-30 synthetic motor oil meeting
the minimum specification: ''ACEA
C2'' or ''ACEA C3.''
You can select the proper ACEA/
SAE viscosity oil for your vehicle
according to this chart:
Ambient Temperature
NOTE: 0W-30 oil is formulated to
improve fuel economy.
Adding Engine Oil (Diesel models)
Engine Oil Additives
Your vehicle does not require any oil
additives. Additives may adversely
affect your engine's or transmission's
performance and durability.
371
Maintenance