2009 Toyota Prius Owners Manual - Page 111

OM47614U_PRIUS_U.book Page 80 Monday, January 11, 2010 11:02 AM 1-6. Refueling Closing the fuel tank cap After refueling, turn the fuel tank cap clockwise until you hear a click. The cap will revolve slightly in the opposite direction once released. n Fuel types Use unleaded gasoline. (Octane Rating 87 [Research Octane Number 91] or higher) n Fuel tank capacity Approximately 11.9 gal. (45 L, 9.9 Imp. gal.) 80 PRIUS_U_(OM47614U)