WORST EXPERIENCE! I haven't even made my first car...

WORST EXPERIENCE! I haven't even made my first car payment yet and I've already taken my car in for major service issues three times! They actually had to replace the transmission in my 2015 Nissan Versa Note. Dealership refuses to take the car back regardless of my health and safety in the car. Problem still hasn't been resolved with my car, but now they are calling me a liar and telling me that I have "buyer's remorse" which is not the case because I love the car. I just wish it would function properly. I DO NOT RECOMMEND THIS DEALERSHIP TO ANYONE!