2004 Dodge Stratus Owner's Manual - Page 194

194 MAINTAINING YOUR VEHICLE NOTE: Under no circumstances should oil change intervals exceed 6,000 miles (10 000 km) or 6 months whichever comes first. Engine Oil Selection For best performance and maximum protection under all types of operating conditions,we recommend engine oils that are API Certified and meet the requirements of DaimlerChrysler's Material Standard MS-6395. Use Mopar or an equivalent oil meeting the specification MS6395. American Petroleum Institute (API) Engine Oil Identification Symbol This symbol means that the oil has been certified by the American Petroleum Institute (API). We only recommend API Certified engine oils that meet the requirements of DaimlerChrysler's Material Standard MS-6395. Use Mopar or an equivalent oil meeting the specification MS-6395. Engine Oil Viscosity Chart The proper SAE viscosity grade of engine oil should be selected based on the following recommendation and be within the operating temperature shown in the engine oil viscosity chart. Flexible Fuel Engine Oil If you operate the vehicle on E-85 fuel either full or part-time, use only Mopar Flexible Fuel 5W-30 engine oil or an equivalent that meets the manufacturers Standard MS-9214. Equivalent commercial Flexible Fuel engine oils