▁best ▁way ▁to ▁solve ▁the ▁problem . ▁An ▁internal ▁N HT SA ▁mem o ▁indicated ▁that ▁the ▁issue ▁was ▁the ▁" short ▁delay " ▁in ▁reg ener ative ▁bra king ▁when ▁hitting ▁a ▁b ump , ▁resulting ▁in ▁increased ▁stopping ▁distance . ▁ ▁On ▁February ▁ 6 , ▁ 2 0 1 0 , ▁Toy ota ▁said ▁that ▁it ▁had ▁fixed ▁the ▁bra king ▁problem ▁on ▁Pri us ▁models ▁built ▁since ▁late ▁January ▁ 2 0 1 0 ▁via ▁a ▁software ▁update ▁for ▁the ▁A BS ▁system ▁to ▁improve ▁bra ke ▁response . ▁On ▁the ▁same ▁day , ▁a ▁Japanese ▁newspaper ▁reported ▁that ▁Toy ota ▁had ▁contact ed ▁deal ers ▁in ▁Japan ▁about ▁their ▁intent ▁to ▁recall ▁all ▁affected ▁vehicles . ▁ ▁While ▁it ▁was ▁unclear ▁if ▁the ▁same ▁step ▁would ▁be ▁taken ▁elsewhere , ▁American ▁deal ers ▁had ▁been ▁told ▁that ▁Toy ota ▁was ▁planning ▁on ▁repair ing ▁the ▁vehicles . ▁On ▁February ▁ 8 , ▁Toy ota ▁announced ▁a ▁volunt ary ▁global ▁recall ▁of ▁ 2 0 1 0 ▁model ▁year ▁Pri us ▁models ▁produced ▁through ▁late ▁January ▁ 2 0 1 0 . ▁The ▁affected ▁vehicles ▁will ▁receive ▁a ▁software ▁update ▁for ▁the ▁bra kes ▁and ▁its ▁A BS ▁system . ▁In ▁total , ▁Toy ota ▁re called ▁three ▁hy brid ▁vehicles ▁to ▁re program ▁the ▁anti - lock ▁bra king ▁( AB S ) ▁software . ▁In ▁February ▁ 2 0 1 0 , ▁a ▁US ▁federal ▁grand ▁j ury ▁in ▁New ▁York ▁began ▁the ▁process ▁of ▁determ ining