▁more ▁of ▁a ▁procedure ▁of ▁u pping ▁the ▁speed , ▁u pping ▁the ▁speed , ▁and ▁then ▁suddenly ▁it ▁just ▁sort ▁of ▁went ▁like ▁it ▁thought ▁you ▁told ▁it ▁to ▁go ▁to ▁infinity ." ▁As ▁for ▁alternative ▁explan ations , ▁W oz nia k ▁said ▁" If ▁you ' re ▁pan icked ▁and ▁your ▁car ▁takes ▁off , ▁you ▁don ' t ▁think ▁of ▁these ▁things ." ▁He ▁also ▁clar ified ▁that ▁his ▁comments ▁were ▁" to ▁a ▁group ▁of ▁teachers ▁for ▁a ▁discovery ▁museum ▁and ▁talking ▁about ▁an ▁issue ▁of ▁customer ▁support , ▁how ▁hard ▁it ▁is ▁sometimes ▁to ▁get ▁to ▁the ▁people ▁that ▁can ▁really ▁deal ▁with ▁your ▁problems ". ▁Autom ot ive ▁journalist ▁John ▁Vo el cker ' s ▁analysis ▁of ▁W oz nia k ' s ▁description ▁bl amed ▁the ▁issue ▁on ▁user ▁error , ▁and ▁not ▁being ▁familiar ▁with ▁the ▁design ▁differences ▁of ▁the ▁adapt ive ▁cru ise ▁control ▁system . ▁In ▁the ▁Pri us , ▁unlike ▁some ▁other ▁cars , ▁holding ▁down ▁the ▁acceler ate ▁button ▁increases ▁speed ▁in ▁ 5   m ph ▁incre ments ▁continu ously ; ▁Vo el cker ▁suggested ▁W oz nia k ▁was ▁holding ▁down ▁the ▁button ▁for ▁longer ▁than ▁necessary , ▁setting ▁the ▁cru ise ▁to ▁a ▁high ▁set ▁speed , ▁and ▁thus ▁resulting ▁in ▁the ▁" sm ooth " ▁acceleration ▁to ▁high ▁speed ▁he ▁experienced . ▁Some ▁Pri us ▁users ▁have ▁also ▁suggested ▁err one ous ▁user ▁input ▁explan ations . ▁O thers ▁have ▁come ▁forward ▁with ▁their ▁own ▁stories