look where the seat belt (female-end) comes out from...dig around and there should be a cloth strap, pull it and the bottom seat will fold up toward the front seats.
The 2002 Toyota 4Runner has 34.9 in. of rear leg room.
The 2001 Toyota 4Runner has 53.3 in. of rear shoulder room.
The 2008 Toyota 4Runner has 57.2 in. of rear shoulder room.
The 2004 Toyota 4Runner has 55.3 in. of rear hip room.
The 2003 Toyota 4Runner has 57.2 in. of rear shoulder room.
The 2014 Toyota 4Runner has 32.9 in. of rear leg room.
The 2009 Toyota 4Runner has 34.6 in. of rear leg room.
The 2003 Toyota 4Runner has 39.1 in. of rear head room.
The 2012 Toyota 4Runner has 38.6 in. of rear head room.
The 2007 Toyota 4Runner has 39.1 in. of rear head room.
The 2011 Toyota 4Runner has 38.6 in. of rear head room.
The 2014 Toyota 4Runner has 55.7 in. of rear hip room.