Netstar cancellation

I bought a vehicle in 2019 of which a tracker was installed which to my understanding that would mean it would be included in my monthly installment however I have now started receiving statements that I am owing money to Netstar to which I contacted them and advised that as I was not aware that I would have to pay for the service after a year I wish to cancel. A gentleman phoned me and advised that it would be cancelled and the account credited however to date I have not received a cancellation letter and have been handed over. I called again and they escalated the matter to the accounts department to contact me urgently to sort the issue out this was on 01 October 2020 I was given the following case number CAS-***-M0S1. I then received a call from the company I have been handed over to to which they said they would follow up with Netstar seeing that I am getting zero feedback and what a surprise I have still received no feedback only a statement for the outstanding amount.

I am highly disgusted In the poor client service received and will be taking this to the Ombudsman.