Disgusted with CarTrack

My CarTrack tracking unit is faulty draining my battery, I called Car Track the entire week and only the control room answers and no other dept, a lady by the name of Mariam or Mary that didnt want to clearly pronouce her name raised her voice at me saying a repair wasnt booked when the control room confirmed that a repair has been booked and she dropped my call, Car Track has wasted my money and time and when i am waiting for God knows how long on the line the voice operated system says goodbye and the call drops. I want someone to remove the unit that is draining my battery and I will take my business elsewhere, i have sent emails with complaints and clearly I am not valued as a customer as I have received no feedback

I want the call recording of the lady that dropped my call as well. This is the worst service I have ever recieved the level of unprofessionalism is disgusting