complaint

I bought an A3 2004 model cash from GWM in Bethlehem six months ago it had a faulty airabag and esp.I notified the sales person and they took the car in to fix the problem but in came back not fixed until they took to Audi in Bloemfontein and the root course was found. But the owner of GWM is trying fix it his way and six months later the problem is not fixed I am afraid hewill end up breakinbreak in it feather ca use every time I him He ask me to bring the to him to be fixed but it comes back worse or still the same.