els . ▁ ▁An ▁advantage ▁of ▁the ▁new ▁system ▁is ▁the ▁increased ▁level ▁of ▁wheel ▁speed ▁control ▁afford ed ▁by ▁the ▁ 3 - phase ▁control ▁cycle , ▁which ▁now ▁oper ates ▁at ▁ 1 8   M Hz ▁( up ▁from ▁ 1 2   M Hz ) ▁and ▁has ▁increased ▁R OM ▁capacity ▁( 3 2 k B ▁up ▁from ▁ 1 2 k B ). ▁Under ▁driving ▁conditions , ▁the ▁result ▁is ▁around ▁ 5 0 ▁percent ▁less ▁y aw ▁moment ▁( over ste er / under ste er ▁attitude ) ▁when ▁one ▁side ▁of ▁the ▁vehicle ▁is ▁bra king ▁on ▁ice ▁and ▁the ▁other ▁is ▁on ▁as ph alt . ▁One - third ▁the ▁amount ▁of ▁ste ering ▁correction ▁is ▁needed ▁under ▁these ▁conditions . ▁ ▁The ▁a for ement ioned ▁' select ▁low ' ▁method ▁of ▁rear ▁bra king ▁force , ▁together ▁with ▁electron ically ▁delayed ▁bu il dup ▁of ▁bra king ▁force ▁at ▁the ▁front ▁wheel ▁with ▁a ▁high ▁ad hes ion ▁coefficient ▁and ▁negative ▁ste ering ▁roll ▁radius , ▁maxim ises ▁ch ass is ▁stability ▁under ▁bra king . ▁ ▁Electron ics ▁ ▁A ▁combined ▁key , ▁remote ▁central ▁lock ing ▁transmit ter ▁and ▁imm obil iser ▁trans ponder ▁protect s ▁the ▁Liber ty ▁B 4 ▁from ▁the ft . ▁Once ▁the ▁key ▁is ▁inserted ▁into ▁the ▁ign ition ▁bar rel ▁and ▁switched ▁on , ▁an ▁anten na ▁ampl ifier ▁( position ed ▁around ▁the ▁ign ition ▁bar rel ) ▁reads ▁the ▁trans ponder ▁code ▁and