Unprofessional Technician and Poor Service from Car Track

Car Track fitted a tracking unit on my car on Monday the 26th October 2020. I took my car in for a service on the Thursday the 29th October 2020. As soon as the car was lifted from the ground the tracking unit started sending power failure alerts. I called the tracking company and as of today the 31st of October 2020 am still waiting on them to send a technician to come and fix or remove the stuffed up unit from my car. If the Technician does not come on Monday the 2nd October 2020 then I will take the car to their Branch myself to get the unit removed.