POOR SERVICE:CARTRACK

My contract with Car track is ending on 13 April 2026.I was told to place a notice of cancellation a month before to inform them of my intention to cancel the contract.On 6 March 2026 I send an email to request for cancellation and proof of cancellation as well.I have not received any feedback, I have already sent about four emails asking for feedback, still my cancellation has not been done yet, and I have to received any feedback still. I sent a Whatsapp requesting same, Since they asked me questions for security reasons, I answered the questions but no one is attending to my query. I WANT THE CONTRACT TO BE CANCELLED NOW.I WANT PROOF OF CANCELLATION AS WELL.THEY MUST CONTACT ME AND TELL ME IT HAS BEEN CANCELLED.