bad service

car was under business insurance and netstar placed a tracking devise in the vehicle while it was driver uber for a month while driving the vehicle just strated to loose memory every time it has been driven since the tracking device has been placed in the vehicle i did inform netstar and the insurance but no luck my vehicle is currently at citreon and the insurance only wants to pay R 5000 for a quote of R 23 000 after negligence has been on their and netstars side i have no luck with any feedback i have been calling for one month but no help at a