Lexus of Silver Spring

On 5/18/2022 walked to DarCars Lexus of Silver Spring to purchase 2020 Nissan Altima. Agreed on price and they asked me for down payment of $2000.00 and I paid. On 5/19/2022 I were informed that Banks didn't approve my loan. I asked for refund of the downpayment and sales manager told that I should have it within 72hours (I also have this in text). Today May 27, 2022 and haven't received my money. I spoke to Sales manager Adebayo, to finance manger Inn, General manager Berry and their corporate office (Stephanie) and no one could give me an answer. It looks like if I don't get a co-signer and purchase the car, I will not get my money.