Who's tracking Netstar's ******* debiting activities

I signed up an Insurance contract with Dotsure with the knowledge they would have a Netstar Tracking unit fitted , despite my apprehension I was assured that they (Dotsure) would pay for the monthly subscription for the first 36 months and that I have the option to cancel after the 36 month period and that I could have the unit removed . I was debited *******ly by Netstar who do not have authorisation from me to debit my account , Netstar informed this was a glitch in their system , I immediately put a stop payment at my bank and had the debit order returned , they then refunded me 3 days later , on discussion with Gerda van der Schyff from Netstar I agreed that they could debit my account on the 15th which based on the already evident incompetence of the company never happened , I was then phoned by their accounts department telling me I was in arrears , I am not sure if these persons are not able to understand or if they were just being arrogant , I also requested that they send me their bank details and I would pay them , true to their incompetence this never happened and they them proceeded to insult my integrity by handing me over to a collection agency with neither a signed terms and conditions in place or legal debit order authorisation in place . I have dealt with many *********** companies but Netstar takes the cake