there is a drain plug on the bottom of the transmission. I believe that it takes a 19 or 21 mm. socket. It is the only drain pllug there. you then refill it through the dipstick hole on the passenger side of the car.
Your owner's manual shows how to change these bulbs on the Outback wagon and sedan. If you do not have a manual, it is available here in electronic format.
The 2013 Subaru Outback has a 6-speed manual.
The 2005 Subaru Outback has a 5-speed manual.
The 2011 Subaru Outback has a 6-speed manual.
The 2014 Subaru Outback has a 6-speed manual.
The 2001 Subaru Outback has a 5-speed manual.
The 2002 Subaru Outback has a 5-speed manual.
The 2004 Subaru Outback has a 5-speed manual.
The 2008 Subaru Outback has a 5-speed manual.
The 2006 Subaru Outback has a 5-speed manual.
The 2009 Subaru Outback has a 5-speed manual.
The 2007 Subaru Outback has a 5-speed manual.