Bought a car from Hyundai Benoni, but still no car,

I bought a car, traded in my other car with Hyundai Benoni on 04 January 2022, they gave me a very bad car, i returned on 5 January they fixed it and sent it back to me, it gave me trouble again on 7 July when i try to go home to Limpopo, i called the sales man about it and i returned it back to the, today the 11 January, they never came back to me or let me know what is happening. Can someone please help me, I owe MFC but i dont have a car.