MFC worst service ever

I bought a new car in May and my first installment was to be 15 July but it did go off. I phoned them 4 times and even have e mails from them to prove it but they are now sending me collection sms's although they admit that they cannot get the debit order loaded although they have 3 months bank statements from Absa. I told them to shove their debit order and did a eft immidiatly and wrote a mail asking for confirmation that the debit order is stopped but clearly they don't give a sh#% about me or that it is their problem. Even if I have to pay my credit cards back I am going to settle this financing as soon as possible. Totally bad service and please anyone don't go through my pain and humiliation. They don't even make proper notes to say that I have been telling them the money is not off but wants to charge collection fees now. Stay away.