Vodacom SA

I have such bad experience with vodacom and i am fed up with these stupid subscriptions. I have never subscribe for anything but keep getting these notifications telling me that i have join thing that don't even know guess what everytime i top up airtime gone. I have called customer care only thing you get is the stupid voice prompt that doesn't get you anywhere Vodacom stop with this bull****. I need thus subscription removed and i want my airtime back.