Cartrack is bad when is comes to certain services. I have been waiting for new unit for almost a month.

I have been paying for my tracker for the past 7 years more or less and for the last few months my tracker unit was not working. I have been paying for something that is not working. When I called in to find out the whereabouts of my vehicle, the lady who assisted me could not tell me where my vehicle is because the unit was not working. I called in on the 29 Jan 2024 for an upgrade on the unit which is going to be R149 for the next three years but no one has come to install the new unit and I already paid for the upgrade of R350. I disputed the one payment of January because nobody has informed me about my unit not working and am not going to pay for something that is not working. I have received emails about this payment I disputed and rep**** to them, Thandi and Lahliwe but no one has come back to me on my mail.