Bad customer service

I have been having a faulty tracking unit on my car for about a month now , I tried calling and emailing since then they said a technician will call and come repair the unit but since then NO ONE CALLED ME NO ONE IS EMAILING ME BACK, SO WHT AM J KEEPING THIS EXPENSIVE TRACKING UNIT IF THEY DONT CARE ABOUT THEIR CLIENT. I DIDNT WANNA COMPLAIN BUT NOW M ****ED CZ I PAY FOR ZERO **** NO ASSISTANCE NOTHING. BIDTRACK PLEASE TAKE UOUR ****TY UNIT OUT OF MH CAR CAUSE YOU DONT CARE ABOUT OUR CARS.