2013 Nissan Altima Owner's Manual - Page 389

Oil viscosity The engine oil viscosity or thickness changes with temperature. Because of this, it is important to select the engine oil viscosity based on the temperatures at which the vehicle will be operated before the next oil change. Choosing an oil viscosity other than that recommended could cause serious engine damage. Selecting the correct oil filter Your new NISSAN vehicle is equipped with a high-quality genuine NISSAN oil filter. When replacing, use a genuine NISSAN oil filter or its equivalent for the reason described in "Change intervals." LTI2024 VQ35DE engine models tional Lubricant Standardization and Approval ENGINE OIL AND OIL FILTER Committee (ILSAC) certification and SAE visRECOMMENDATIONS cosity standard. These oils have the API certification mark on the front of the container. Oils which Selecting the correct oil do not have the specified quality label should not It is essential to choose the correct grade, quality be used as they could cause engine damage. and viscosity engine oil to ensure satisfactory Oil additives engine life and performance. See "Capacities and recommended fuel/lubricants" earlier in this NISSAN does not recommend the use of oil section. NISSAN recommends the use of an additives. The use of an oil additive is not necesenergy conserving oil in order to improve fuel sary when the proper oil type is used and maineconomy. tenance intervals are followed. Select only engine oils that meet the American Petroleum Institute (API) certification or InternaOil which may contain foreign matter or has been previously used should not be used. Change intervals The oil and oil filter change intervals for your engine are based on the use of the specified quality oils and filters. Using engine oil and filters that are not of the specified quality, or exceeding recommended oil and filter change intervals could reduce engine life. Damage to the engine caused by improper maintenance or use of incorrect oil and filter quality and/or viscosity is not covered by the NISSAN new vehicle limited warranty. 9-6 Technical and consumer information