Matrix is a ****

Bad service ever,I've canceled my car on the 27th of January and transferred to my nephew since he was the one buying the car,but matrix still wants to charge me for the month of February and on the other they still want to charge my nephew for the same car for the month of February,i called them numerous times and they ended not taking my calls and claim i have a bad network connection,i will take this issue to social media i will teach them a lesson