Upgrade stops tracking unit

I was requested last week Friday to have a new Telematrix unit installed in my vehicle under warranty <br> the technician came to the offices and fitted this unit. after fitting the unit I have received a notification from the tracking system that it is disconnected and the ignition is off even when I am driving <br> I requested them to please come have a look as whatever they have done has caused a fault with the tracking unit They came Today had a look and said its not there problem there unit is fitted properly How can the attitude be \ we fitted something and something else does not work now and that's your Problem"I will never Purchase another vehicle from any Rola dealership in Somerset west I have other franchise vehicles which they are the agents for but I will find alternative suppliers if this is seriously their attitude """