Worst service ever from Milnerton Nissan

VERY BAD SERVICE I recently phone Milnerton Nissan for a quotation on 2x NP200 bakkies. They send me a OTP and I asked them to get finance for us. They send me a mail and said it is approved. Because of our day to day running of our business I handed everything over to them to liaise with me regarding the deal. The day when I went to the dealership to sign the papers I was not at all explained about the interest rate from the bank when I sign the page were the price was I was almost falling from my chair. The interest rate was so high almost double the price of the bakkie and I questioned the F&I lady where she told me that was the best they could do for us, My argument with her was that why did she not contact me beforehand about this and I would have asked her to stop the deal because the interest rate was ridiculous. I than asked them to stop everything and that is where everything starts. I paid a deposito of R40000.00 for the bakkies and when I want the deposito back the salesmanager told me that they will have to take R5000.00 for the handling fee. I was not happy about that and the salesmanager said that its the decision of his dealer principal. I am soooo unhappy but in the meantime I emailed the ombudsman to solve the issue as the dealership don't want to pay back my full payment. Please people be careful when you walk into that dealership cause the moment you put your feet in there you will be the most unhappy client.