Owner's Manual
Page 486
... engine oil with any reason, use synthetic engine oil that does not require the first change for Start the engine and make sure that , check the engine oil level again. Mixing with another brand or type, the maintenance interval is ...oil level" F11-12. If the SUBARU Super Coolant is the recommended engine oil for any other brand or type of the same classification, viscosity and grade shown in hot weather, oil of higher viscosity is NOTE Engine oil viscosity (thickness) affects fuel economy. When using synthetic oil, you must follow the oil and filter changing intervals...
... engine oil with any reason, use synthetic engine oil that does not require the first change for Start the engine and make sure that , check the engine oil level again. Mixing with another brand or type, the maintenance interval is ...oil level" F11-12. If the SUBARU Super Coolant is the recommended engine oil for any other brand or type of the same classification, viscosity and grade shown in hot weather, oil of higher viscosity is NOTE Engine oil viscosity (thickness) affects fuel economy. When using synthetic oil, you must follow the oil and filter changing intervals...