REFUNDS NEVER PAID

RENTED FROM AVIS FOR QUITE SOME TIME NOW BUT THEY NEVER PAY MY REFUNDS! NEARLY R25000 OF ALL DIFFERENT RENTALS! ALL IM TOLD IS YOUR AUTH WAS RELEASED. BUT TO DATE NOTHING HAS COME BACK INTO MY ACCOUNT. I'VE SUPP**** NAWAAL AT AVIS CAPE TOWN INTERNATIONAL WITH MY BANK STATMENTS TO SHOW THE MONEY BEING DEDUCTED BUT THEY TELL ME NOTHING IS OWED TO ME????? WHAT ****TY SERVICE ARE YOU TRYING TO PULL WITH ME! MY AGREEMENT IS NOT WITH YOUR BANK!!!!!! NEDBANK IS NOT THE PERSON I SIGNED WITH!!! I WANT MY MONEY REFUNDED TO MY ACCOUNT!!!