they have sell to me a wrong car

on the 16/09/2014 i bought a brand new polo tsi confortline and on the 29/10/2014 i had a breakdown while i was coming back from home (limpopo) so i called them then they did come n tow the car to the nearest dealership which it was hatfield pretoria the car it showing a caution of EPC on the dashboard and the are failing to fix the problems until now my car is still with them,they have striple engine of that car more than 10 times but still they can't get it right so as i have bought a brand new car and what happen to that car is not my fault i want them to replace it as i didnt even drive it 1 month.looking forward to hear from you ma cell number is ***