▁optim ally ▁effective ▁and ▁natural ▁to ▁human ▁sens itivity . ▁▁ ▁When ▁the ▁engine ▁is ▁turned ▁off , ▁the ▁rear ▁whe els ▁straight en ▁up . ▁They ▁change ▁back ▁to ▁the ▁angle ▁of ▁the ▁front ▁whe els ▁when ▁the ▁engine ▁is ▁restart ed . ▁This ▁is ▁caused ▁by ▁the ▁ 4 WS ▁control ▁unit ▁power ing ▁down , ▁and ▁the ▁fail - safe ▁system ▁overrid ing ▁the ▁rear ▁ra ck . ▁ ▁If ▁the ▁system ▁ever ▁fault s , ▁as ▁a ▁fail - safe , ▁the ▁rear ▁whe els ▁lock ▁straight ▁to ▁allow ▁the ▁vehicle ▁normal ▁ 2 WS ▁functionality . ▁ ▁Mod els ▁ ▁Future ▁ ▁On ▁ 1 6 ▁October ▁ 2 0 1 8 , ▁Maz da ▁file d ▁a ▁tra dem ark ▁application ▁with ▁the ▁Japanese ▁Pat ent ▁Office ▁for ▁the ▁Maz da ▁M X - 6 ▁name plate ▁which ▁can ▁be ▁used ▁for ▁" autom ob iles ▁and ▁parts ▁and ▁access ories ▁there of ," ▁hint ing ▁that ▁the ▁manufact urer ▁may ▁release ▁a ▁new ▁generation ▁M X - 6 ▁in ▁the ▁near ▁future . ▁ ▁References ▁▁▁▁ ▁Maz da ▁Australia ▁ 4 WS ▁explanation ▁and ▁history ▁ ▁External ▁links ▁▁ ▁M X - 6 ▁Category : Front - w heel - drive ▁vehicles ▁Category : Front - w heel - drive ▁sports ▁cars ▁Category : V eh icles ▁with ▁four - w heel ▁ste ering ▁Category : S port ▁compact ▁cars ▁Category : C oup és ▁Category : C ars ▁introduced ▁in ▁ 1 9 8 7