Pathetic Service From Car King

We purchased a vehicle on a rent to own option in December, since then our car has been at their workshop more times than we have driven it, for License disc, bearings, clutch within 2 weeks of them 'fixing' it. Attempts to resolve disputes have just left us with more problems, Morne lacks customer service s****s to deal accordingly, he'll take no responsibility for our car being returned to us in a worse condition than when sent to them. We have taken up the matter with MIOSA. Attempts to escalate to someone in a higher position to no avail. Pathetic Service all round. Are we not entitled to good service that we've paid for...they seem to cash in on your installment and above...We've paid more than R5K every month now as opposed to the R3K on the installment. It's disgusting and appalling to know that they conduct business this way