Scions and Toyotas have converted to the new pink/red version of coolant, sold primarily at dealerships. You can find that specific coolant online as well but if you can't- you can always use the yellow colored coolant that is safe for all makes and models sold at auto parts stores (i.e. Auto Zone, Kragen/Checker) I prefer Prestone. Hope this helps!
Toyota Pink 50/50 pre-mix long life coolant.
Yellow
The 2005 Scion xB has double overhead cam (DOHC).
The 2013 Scion xB has double overhead cam (DOHC).
The 2010 Scion xB has double overhead cam (DOHC).
The 2009 Scion xB has double overhead cam (DOHC).
The 2004 Scion xB has double overhead cam (DOHC).
The 2014 Scion xB has double overhead cam (DOHC).
The 2011 Scion xB has double overhead cam (DOHC).
The 2008 Scion xB has double overhead cam (DOHC).
The 2006 Scion xB has double overhead cam (DOHC).
The 2012 Scion xB has double overhead cam (DOHC).