Bad service and customer service

Bad service and customer service Hi there i was behind with my car tracker so i paid the full amount then one of the customer service call me to say i didnt pay and i sent proof to her and we fight and i told her i did oay not long they ohone me again and then they say yes i did pay but i cant use the app so i ask them wot if my car get stollen they say they gonna activate my car trecking app am still waiting they dont even call me back and they told me that they r gonna call me i want to cancel their service its realy bad i wont recoment them to anybody i regred usibg them they dont now wot they r doing