Cartrack poor service

I contacted Cartrack via email on Monday 29 July 2024 and inform them that I have sold my car with a Cartrack device and are in process buying a new car. I followed up on Tuesday 30 July 2024 and got help and was told the enquiry was escalated to the technical department. This was very good.I told the lady that I am only in town till Thursday 1 August 2024 17:00 and are not residing in Upington anymore, but in Mosselbay. On Wedbesday 31 July 2024 I was contacted and told to pay R870 for the de- and re- installation of the device, which I did immediately and told the lady again that I am only in Upington untill Thursday 1 August 2024 and will be back in Mosselbay on 2 August 2024. I was then called again on Friday morning 2 August 2024,been informed that the technical people will call me. It never happened. I had to pay my monthly subscrition and transfer fees but received no service. I am of the opinion that this is totally unacceptable service and would like Cartrack to pay back my money and cancell my service so I can go to a provider that are willing to engage with me and give the service I need as it could have happened that my car could have been ****** and then what was the end result. I will be minus my car with a device in a sold car, to do what with? In today's conditions tracking of vehicles are essential due to crime. It cannot go on like this as this is my money paying for something that do not receive any service and no result shown for my payment.