Engine Oil Viscosity - 3.6L EngineSAE 5W-20 engine oil is recommended for all operatingtemperatures. This engine oil improves low temperaturestarting and vehicle fuel economy.The engine oil filler cap also shows the recommendedengine oil viscosity for your engine. For information onengine oil filler cap location, refer to the Engine Com-partment illustration in this section.NOTE:SAE 5W-30 engine oil approved to Fiat 9.55535-S1or Fiat 9.55535-S3 may be used when SAE 5W-20 engineoil meeting MS- 6395 is not av...