Aweful customer service

I am disgusted with the service received at cartrack. On the day we arrived in N1 city motors at cartrack, the consultant didnt seem much interest to help us. He didnt explain what their different options entail. I clearly asked the consultant if there was any payment we have to make, and he said "NO", the next payment is due on our debit order date which is the end of the month. After having filled in all the paper work, the consultant asked us to park our car on the yellow arrow in order for our tracker to be fitted. After waiting almost an hour, the installers had no clue that we were waiting to have an installation of our tracker, as no one communicated it to them. So we basically wasted an hour on nothing after being told to wait there. We then had to spend another hour to wait for the installers to install our tracker after squeezing us in. About a week later, I see an sms on my phone stating that a debit order went off unsuccessfully and therefore we are in breach of our contract and in default (and its not even midway into the month). Now my credit score will be affected because Cartrack has **** to me to tell me that my payment is due month end.