No finance cars in boksburg

I rented a toyota adios at this garage l they said after 2_3 months l was owing R3 740 l paid it after 3 weeks they took the car again they said l must pay about R5 800 if l don't pay they will charge me instalments for every week until 01/08/19 then if l dont pay they will blacklist me for breging the contract and the Lady call Shahaanais very rude to client so leas using the car for taxify so wen l asked for my deposit they said they won't give me instead l owe the about R85 000 my contact number is *** and they selling used cars