cartrack refuse to cancel my account i asked them in september/worse company/******/****mers

i asked cartrack to cancel my account in september 2024 i spoke to Noleen Rigney via email i asked her to cancel my account.i sent her the paid up letter and asked her to cancel my account.i called the cartrack contact centre as well i was told i do not have an account with them.now all of a sudden this year im recieving sms from them to say i owe them R181.00 .i do not even have a car any more im not sure what is it im owing them.worse company ever do not take any cartrack account they are ****mers busy ****ming people.they ****** this company.cancel my account like i asked last year in september already and stop sending me stupid sms.stoping being ****** ****ming innocent people.