2 0 1 0 ▁letter ▁to ▁Toy ota , ▁US ▁con gression al ▁investig ators ▁" sa id ▁a ▁review ▁of ▁consumer ▁compla ints ▁produced ▁by ▁Toy ota ▁shows ▁that ▁company ▁personnel ▁identified ▁stick ing ▁ped als ▁or ▁floor ▁m ats ▁as ▁the ▁cause ▁of ▁only ▁ 1 6 ▁percent ▁of ▁the ▁un int ended ▁acceleration ▁reports ". ▁Several ▁media ▁reports ▁later ▁claimed ▁that ▁Toy ota ▁had ▁announced ▁that ▁the ▁rec alls ▁will ▁not ▁completely ▁solve ▁the ▁acceler ator ▁ped al ▁problems . ▁On ▁February ▁ 2 4 , ▁ 2 0 1 0 , ▁Toy ota ▁respond ed ▁that ▁it ▁" has ▁rig or ously ▁tested ▁its ▁solutions " ▁and ▁are ▁" conf ident " ▁with ▁the ▁recall ▁rep airs , ▁but ▁that ▁it ▁would ▁continue ▁to ▁monitor ▁other ▁possible ▁contrib uting ▁factors ▁for ▁un int ended ▁acceleration , ▁including ▁mechanical , ▁electron ics , ▁and ▁driver ▁error . ▁ ▁Ak io ▁Toy oda , ▁the ▁president ▁and ▁CE O ▁of ▁Toy ota , ▁issued ▁the ▁following ▁statement ▁in ▁regards ▁to ▁the ▁re called ▁vehicles : ▁ ▁In ▁early ▁ 2 0 1 0 , ▁the ▁US ▁government ▁began ▁considering ▁requiring ▁all ▁vehicles ▁sold ▁in ▁the ▁US ▁to ▁have ▁acceler ator ▁override ▁built ▁into ▁their ▁bra ke ▁systems . ▁ ▁Research ▁groups ▁have ▁question ed ▁whether ▁Toy ota ▁would ▁" get ▁off ▁easily " ▁because ▁of ▁its ▁large ▁invest ment ▁in ▁lo bb ying ▁in ▁Washington , ▁with ▁close ▁t ies ▁to ▁the ▁con gression al ▁represent atives ▁who ▁will ▁lead ▁in