2010 Honda Civic Owner's Manual - Page 310
2010 Honda Civic Manual
Page 310 highlights
Changing the Engine Oil and Filter, Engine Coolant 9. Turn off the engine, let it sit for several minutes, then check the oil level on the dipstick. If necessary, add more oil. Adding Engine Coolant RESERVE TANK RESERVE TANK Improper disposal of engine oil can be harmf ul to the environment. If you change your own oil, please dispose of the used oil properly. Put it in a sealed container and take it to a recycling center. Do not discard it in a trash bin or dump it on the ground. DX, Canadian DX-G, LX, EX, EX-L Si If the coolant level in the reserve tank is at or below the MIN line, add coolant to bring it up to the MAX line. Inspect the cooling system for leaks. Always use Honda Long-life Antifreeze/Coolant Type 2. This coolant is pre-mixed with 50 percent antifreeze and 50 percent distilled water. Never add straight antifreeze or plain water. 304