Extra amount debited

Hi Peter.I have a contract with Car track for car tracking system installed in my car,since this year(2015) they are deducting extra amount. I called them they told me that the amount is for when i travel outside the country of which i told them i don't and will never travel with that car outside South African borders.The consultant i called said she will cancel that extra amount,unfortunately till today they are deducting that money without my agreement.Please help,i want them to cancel this extra amount that they ***** from me.<br> <br> Thanks,<br> Joyce