ABSA FASTBUY MESS

I am very frustrated with ABSA Vehicle Finance. I sold my car via ABSA FASTBUY and in order to avoid being listed as having defaulted, I raised money to pay the shortfall at once. The process from ABSA side has been a mess. Three weeks later ABSA still has not closed the account. I do not have paid up letters and irrespective of several requests I have made the account remains open and 30% discount granted has not been written off. They just do not seem bothered. To make things worse, ABSA has now listed me as having defaulted on this account which they have closed by now. This is very frustrating because I am currently in the job market and what ABSA is doing is threatening my employment prospects

Can ABSA please finalise this account, close it, issue me with a paid-up letter please.