I need help please, ...

I need help please, I bought a car with abk cars ,on the 21st, car was supposed to be sent for service before I collect it, we collected the car later it got stuck at villias , the car was towed to back to jhb, and mechanic confrimed that the service was not done as promised, the sales person promised to get back to me on friday as he said he was in a meeting, but he never called, he is not taking my calls i have tried calling him atleast 10 times a day, today he sent me a number for his manager Bukho who is also not answering his phone, I need assistance as i need to arrange for the car to be delivered in kzn, my brother who came to collect the car is now this side because the mechanic was not finished with repairs