2010 Dodge Nitro Owner Manual - Page 410

MAINTAINING YOUR VEHICLE 409 Engine Oil Viscosity - 3.7L Engine 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 shows the recommended engine oil viscosity for your vehicle. Synthetic Engine Oils You may use synthetic engine oils provided the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed. Materials Added to Engine Oils Lubricants which do not have both the engine oil certi- The manufacturer strongly recommends against the adfication mark and the correct SAE viscosity grade num- dition of any additives (other than leak detection dyes) to engine oil. Engine oil is an engineered product and it's ber should not be used. performance may be impaired by supplemental Engine Oil Viscosity - 4.0L Engine additives. SAE 10W-30 engine oil is preferred. SAE 5W-30 engine oil is allowed during cold weather only to improve cold Disposing of Used Engine Oil and Oil Filters Care should be taken in disposing of used engine oil and weather starting. oil filters from your vehicle. Used oil and oil filters, Lubricants which do not have both the engine oil certiindiscriminately discarded, can present a problem to the fication mark and the correct SAE viscosity grade numenvironment. Contact your authorized dealer, service ber should not be used. 7