Toyota is recalling 437,000 hybrid vehicles to fix problems with their anti-lock braking systems. The cars involved include: in Japan, the 2010 Prius, the Saj, the Lexus HS250h and the Prius plug-in hybrid; in the United States, the 2010 Prius and the 2010 Lexus Division HS250h; and in Europe, the third-generation Toyota Prius. The fix includes updating software that helps prevent wheels from locking on braking.