Nedbank & Roelfs Auto destroyed me to the core

When I bought a car the dealer told me it was inhousefinance,in the event I lose my job the insurance will settle my debt,I drove the car 2wks it got stuck they changed n gave me another car that had extremely high milage 174 000km almost due for major service which I had to pay for,Nedbank resurfaced when I started to have problems with the dealer pertaining other defects in the car they promised to fix n reimburse me for the last time that I had to pay from my pocket I took the matter to Ombudsman they were alarmed by the fact that Dealer was not registered why Nedbank finance such dealers to rob innocent consumers,I continued to pay the instalment until I lost my job then Nedbank threatened to reposes the car or take it off the road not only that they blacklisted me for *****.Dwayne from Nedbank promised to rectify their mistake close the file n claim their losses from the Dealer, I'm sitting with a car that is struck off the road I can't drive it or sell it to recoup my losses. it's a double blow.I wrote to NCR no help.i called MFC the agent adviced me to request debt relief as the debt was never settled n file still opened.please advise me.