Customers are made to pay for pre existing damages

I rented a vehicle from Avis did a through check with the consultant before taking the vehicle but it was not recorded on their side. My inspection sheet shows dents that I have noted but did not record them on their side to ***** money from me tocover up for their mistakes. I have proof in my possession. To my Suprise an amount of R906.23 deducted from my account. I cannot pay for your employees negligence.Need my money refunded immediately and this is not the first time I encounter this problem with Avis.