Oil is a major contributor to your engine's performance and longevity. If you drive the vehicle with insufficient or deteriorated oil, the engine may fail or be damaged.
This seal indicates the oil is energy conserving and that it meets the American Petroleum Institute's latest requirements.
Use Genuine Honda Motor Oil or another commercial engine oil of suitable viscosity for the ambient temperature as shown.
Synthetic oil
You may also use synthetic motor oil if it is labeled with the API Certification Seal and is the specified viscosity grade.
Recommended Engine Oil Engine Oil Additives Your vehicle does not require oil additives. In fact, they may adversely affect the engine performance and durability. |
Honda Civic Owners Manual. Adding the Coolant
Make sure the engine and radiator are
cool.
Turn the reserve tank cap 1/8 of a turn
counterclockwise and relieve any pressure
in the cooling system.
Push down and turn the reserve tank cap
counterclockwise to remove it.
Pour coolant into the reserve tank until ...