Premier Nissian Deceptive unfair Metairie Louisiana

I am Yolanda And I am fighting breast cancer.I have been. In need of a good way to go the many appointments .I reach out to Nissian of North America and they referred me to Premier Nissian .I went in and meant with a salesmen and finance manger in regards to my needs I found a car Dodge Dart 2016 in which I loved.I was to trade in my 1998 Ford Mustang as trade 3500 in value. It was great. Having a car.Note 240 a month and finance all good just to have them two weeks later to change there mind about the amount they would give me as a trade.Signed and delivered. Now i am with out a car.Lost money on insurance and very hurt I called the finance company and they stated that premier pulled the deal i did not need more down at all lies de ceptive practices and unfair trade .laws lost 800 dollars on insurance .called serveral times tried recover ny car no help at all .After we onformef them of what I found out .They took my hope.