▁to ▁the ▁vehicle ▁ch ass is ▁to ▁accommod ate ▁the ▁B AS ▁system , ▁with ▁the ▁ 3 6 V ▁battery ▁pack ▁hous ed ▁in ▁the ▁tr unk ▁or ▁spare ▁t ire ▁well . ▁This ▁allows ▁the ▁vehicles ▁to ▁be ▁produced ▁on ▁the ▁same ▁assembly ▁line ▁as ▁the ▁non - hy brid ▁versions , ▁producing ▁substantial ▁cost ▁sav ings ▁and ▁allowing ▁the ▁company ▁to ▁adjust ▁production ▁more ▁easily . ▁ ▁Cob as ys ▁which ▁supplies ▁the ▁B AS ▁system ' s ▁battery ▁pack ▁had ▁to ▁conduct ▁a ▁recall ▁in ▁ 2 0 0 8 ▁apparently ▁due ▁to ▁internal ▁leak age ▁of ▁the ▁battery ▁modules . ▁ ▁C iting ▁supp lier ▁issues ▁and ▁slow ▁sales ▁G M ▁has ▁re leg ated ▁the ▁ 2 0 1 0 ▁model ▁year ▁B AS ▁hy br ids ▁( i . e . ▁Mal ib u ▁hy brid ) ▁to ▁" f le et ▁only " ▁status . ▁ ▁Generation ▁II ▁B AS ▁( e Ass ist ) ▁ ▁At ▁the ▁LA ▁Auto ▁Show , ▁on ▁November ▁ 1 5 , ▁ 2 0 1 0 , ▁General ▁Mot ors ▁announced ▁that ▁it ▁would ▁be ▁re le asing ▁an ▁all - new ▁version ▁of ▁the ▁B AS ▁system ▁available ▁in ▁the ▁ 2 0 1 2 ▁Bu ick ▁La C ros se . ▁While ▁still ▁a ▁B elt ed ▁Altern ator ▁St arter ▁system , ▁the ▁system ▁is ▁named ▁e Ass ist ▁and ▁includes ▁a ▁larger ▁more ▁powerful ▁Hit achi - supp lied ▁ 1 1 5  