2012 Dodge Challenger Owner Manual SRT8 - Page 374

372 MAINTAINING YOUR VEHICLE NOTE: Under no circumstances should oil change Engine Oil Viscosity (SAE Grade) intervals exceed 6,000 miles (10 000 km) or six months, SAE 0W-40 engine oil is preferred for use in all operating temperatures. whichever occurs first. Engine Oil Selection For best performance and maximum protection under all types of operating conditions, the manufacturer only recommends full synthetic engine oils that meet the American Petroleum Institute (API) categories of SM or SM/CF. The engine oil filler cap also shows the recommended engine oil viscosity for your engine. For information on engine oil filler cap location, refer to "Engine Compartment" in "Maintaining Your Vehicle" for further information. Synthetic Engine Oils The manufacturer recommends the use of a full synthetic You may use synthetic engine oils provided the recommended oil quality requirements are met, and the recomSAE 0W-40 engine oil or equivalent. mended maintenance intervals for oil and filter changes CAUTION! are followed. Do not use chemical flushes in your engine oil as the chemicals can damage your engine. Such damage is not covered by the New Vehicle Limited Warranty. Materials Added To Engine Oil Do not add any supplemental materials, other than leak detection dyes, to the engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives.