2011 Subaru Outback Owner's Manual - Page 365

11-14 Maintenance and service & Changing the oil and oil filter Change the oil and oil filter according to the maintenance schedule in the "Warranty and Maintenance Booklet". The engine oil and oil filter must be changed more frequently than listed in the maintenance schedule when driving on dusty roads, when short trips are frequently made, or when driving in extremely cold weather. 1. Warm up the engine by letting the engine idle for approximately 10 minutes to ease draining the engine oil. 2. Park the vehicle on a level surface and stop the engine. 3. Remove the oil filler cap. properly. WARNING Be careful not to burn yourself with hot engine oil. 5. Wipe the seating surface and around the drain plug with a clean cloth and tighten it securely with a new sealing washer after the oil has completely drained out. 2.5 L turbo models 2.5 L non-turbo models 3.6 L models 2.5 L non-turbo models 4. Drain out the engine oil by removing the drain plug while the engine is still warm. The used oil should be drained into an appropriate container and disposed of