TERRIBLE SERVICE FROM CARTRACK. CANT FOLLOW SIMPLE INSTRUCTIONS

CARTRACK CAN NOT FOLLOW A SIMPLE REQUEST, ANOING PHONE CALLS, I PHONED THEM TO SCHEDULA AN APPOINTMENT FOR INSTALLATION.. THEN AFTER YOU GET ANOING PHONE CALLS EVERY DAY. IT JUST DONT STOP! I REQUESTED THE CONSULTANT THAT AFTER THE PHONE CALL THERE MUST BE NO PHONE CALL EVER AGAIN UNTILL THE TECHNICIAN INSTALLS THE MODULE. TERRIBLE SERVICE BECAUSE THEY CAN NOT FOLLOW A SIMPLE INSTRUCTION