2010 Jeep Patriot Owner's Manual - Page 410

MAINTAINING YOUR VEHICLE 409 Engine Oil Viscosity (SAE Grade) SAE 5W-20 engine oil is recommended for all operating temperatures. This engine oil improves low temperature starting and vehicle fuel economy. Your engine oil filler cap also states the recommended engine oil viscosity grade for your engine. Materials Added to Engine Oils The manufacturer strongly recommends against the addition of any additives (other than leak detection dyes) to the engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives. Disposing Of Used Engine Oil and Oil Filters Lubricants which do not have both the engine oil certi- Care should be taken in disposing of used engine oil and fication mark and the correct SAE viscosity grade num- oil filtersfrom your vehicle. Used oil and oil filters, ber should not be used. indiscriminately discarded, can present a problem to the environment. Contact your authorized dealer, service Synthetic Engine Oils You may use synthetic engine oils provided the recom- station, or governmental agency for advice on how and mended oil quality requirements are met, and the recom- where used oil and oil filters can be safely discarded in mended maintenance intervals for oil and filter changes your area. are followed. Engine Oil Filter The engine oil filter should be replaced with a new filter at every engine oil change. 7