Service Plan cancelled and this company refuses to re instate!!!!!!!! Innovation Group - Auto & General Service Plan!!!!!

I am so unhappy with this company. I took a service plan last year and it is due to expire in May next year. Upon reaching out to them as my car is now due for a service, they explained that i cannot claim for now. I can only claim next year. I was shocked and trying to figure out whats going on. It is then that i said im thinking of cancelling the service plan, a few hours later, i received a text message saying my plan has been cancelled!! I did not instruct them to cancel my plan whatsover. They refunded me R2208 which i never agreed to. I paid over 3500 in total. Now that i'm close to finishing my term and they owe me 2 services now they are quick to cancel my plan and refund me within a few hours some money. They actually made it a point that they cancel just before my term expires. When i tried to phone the call centre, i was told that they dont make calls to clients! So i cannot speak to anyone regarding this complaint. its actually a dead end. They are so quick to bother us telephonically to sell their products but when i need to complain or rectify my policy they are no where to be found. I was so schocked when i was told they cant re instate my policy. Mind you this is the very same day that my service plan was cancelled. i need my policy i cant lose out like this!