▁about ▁err atic ▁vehicle ▁behavior ▁while ▁using ▁their ▁cru ise ▁control . ▁In ▁March ▁ 2 0 1 0 , ▁Ward ' s ▁Auto ▁reported ▁that ▁user ▁un famil iar ity ▁with ▁the ▁faster ▁response ▁of ▁las er - ▁and ▁rad ar - based ▁cru ise ▁control ▁systems ▁was ▁a ▁likely ▁factor ▁according ▁to ▁A AA , ▁N HT SA , ▁and ▁manufact urer ▁find ings . ▁ ▁Driver ▁error ▁The ▁Wall ▁Street ▁Journal ▁reported ▁on ▁February ▁ 2 5 , ▁ 2 0 1 0 ▁that ▁" s af ety ▁regul ators , ▁human - error ▁exper ts ▁and ▁auto ▁mak ers ▁say ▁driver ▁error ▁is ▁the ▁primary ▁cause ▁of ▁sudden ▁acceleration ." ▁Regarding ▁the ▁ 2 0 0 9 - 1 0 ▁Toy ota ▁rec alls , ▁Ward ' s ▁Auto ▁noted ▁that ▁N HT SA ▁investig ations ▁over ▁past ▁years ▁have ▁found ▁that ▁the ▁majority ▁of ▁sudden ▁un int ended ▁acceleration ▁cases ▁are ▁due ▁to ▁driver ▁error . ▁In ▁such ▁cases , ▁acc idents ▁are ▁the ▁result ▁of ▁drivers ▁mistaken ly ▁ste pping ▁on ▁the ▁acceler ator ▁ped al ▁instead ▁of ▁the ▁bra ke . ▁On ▁November ▁ 2 9 , ▁ 2 0 0 9 , ▁the ▁Los ▁Angeles ▁Times ▁quoted ▁a ▁motor ▁skills ▁consult ant ▁stating ▁that ▁the ▁fault ▁in ▁sudden ▁acceleration ▁cases ▁" al most ▁always ▁lies ▁with ▁drivers ▁who ▁step ▁on ▁the ▁wrong ▁ped al ." ▁In ▁February ▁ 2 0 1 0 , ▁Car ▁and ▁Driver ▁suggested ▁that ▁the ▁alleg ed ▁accident ▁rate ▁of ▁