Money deducted from my account without consent

<p>A car was rented at OR Tambo airport Avis car rental, i used my cheque card from fnb, a 3000 rand depost was taken, the car was a polo tsi, it was used for about 3 weeks. on my payday when my salary came in (at this time the car was already returned) a R15000 amount was taken from my account, leaving me unable to pay my credits rent and food, few days later the initial deposit of 3000 came back into my account i withdrawn the money from my account, then again few days later R17000 was deducted from my account (at this time my account was R0 balance)</p> <p>I do not even have overdraft, how is that even possible i do not not, i keep receiving sms that my account is over drawn, i am not left as if i am owin fnb money, my life is a complete mess because of this, i have a family i have a child, why???</p> <p> </p> <p>Total amount of R32000 at the hands of avis for borrowing A POLO TSI 3 WEEKS, Not even a luxury car. who ever can help please help me. what will i do this holidays, my next salary will even go on the same account on the negative balance</p>