Subaru Forester Manuals 2018 Forester Owner's Manual | Page 590

12-6 Specifications/Specifications ! Turbo models Oil grade SAE viscosity No. and applicable temperature Oil capacity – Adding the oil from L to F level: 5W-30 synthetic oil is required for 1.1 US qt (1.0 liter, 0.9 Imp qt) optimum engine performance and pro- tection. Conventional oil may be used if – Changing the oil and oil filter: 5.4 US qt (5.1 liters, 4.5 Imp qt) synthetic oil is unavailable. *: If 5W-30 synthetic oil is not available, 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 5W-30 synthetic oil at the next oil change. or API (American Petroleum Insti- tute) classification SN with the words “RESOURCE CONSERVING” ILSAC GF-5, which can be identified with the ILSAC certifi- cation mark (Starburst mark)