ANNOYED!!!!

I recently traded my car in for a new car - the dealership was to settle the account for the old car which they did but according to Standard Bank, there is an amount outstanding. After 4 calls to the call centre, one promised to send me an email with the details (3 days later, I'm still waiting) and the rest of the time the system is offline?? I keep getting told to call back - nobody offers to call me back, every time I call, you are offline?! But, I get smses non stop, I get automated calls non stop to tell me that the account is in arrears, but nobody is able to give me information?!! Really really disgusted by the lack of service.