2008 Honda Civic Owner's Manual - Page 235
2008 Honda Civic Manual
Page 235 highlights
Main Menu Table Of Contents Adding Engine Oil ENGINE OIL FILL CAP ENGINE OIL FILL CAP Except Si Si Recommended Engine Oil Oil is a major contributor to your engine's performance and longevity. Always use a premium-grade detergent oil displaying the API Certification Seal. This seal indicates the oil is energy conserving, and that it meets the American Petroleum Institute's latest requirements. It is highly recommended that you use Honda Motor Oil in your vehicle for optimum engine protection. API CERTIFICATION SEAL Unscrew and remove the engine oil fill cap on the valve cover. Pour in the oil slowly and carefully so you do not spill any. Clean up any spills immediately. Spilled oil could damage components in the engine compartment. Reinstall the engine oil fill cap, and tighten it securely. Wait a few minutes, and recheck the oil level on the engine oil dipstick. Do not fill above the upper mark; you could damage the engine. 232 2008 Civic Sedan