BAD SERVICE

I Cancelled my account with cartrack account last year deceber after i was told by them that my car was last located on the 15 june 2018. For 5 months i was paying them while there was no service,what if my car got ****** during that process?. Now they sending me letters saying im owing them and will be handed to their lawyers. I have been calling them the past 4 weeks to pay back my money they telling me stories.first i spoke to the lady called Palesa.