Angry

I am so angry with Cartrack,i had a device installed on one of my vehicles no one told me that i have to keeep the car for 3years,i sold the car within 6-7months period, i called Cartrack to cancel the device and i was told i cant cancel it i need the new owner for the car details so everything can move to him,i told them i cant do that i want it cancelled,i have beeen calling them everyday and no one answers Im tired of paying something that is not benefiting me 😡😡😡😡😡😡😡😡😡😡