Unfairly Treatment and Custom unsatisification

My Volvo V40 T3 elite 2012 Registration CF 31 PK GP was misfiring i book in at Volvo Autobalit Eastrand Mall on the 7th of December 2018, 11h00 o'clock the person who assisted me with booking is Mr Makhurha,i brought the car into their workshop till today they still fixing it and ive asked to talk with their Manager Mr Renaldo Vermaak.which he Assured me that i will get the car by first week of January 2019 and today is first week of February 2019 when ever i call they promised lies and i wanted to take the car to the other Volvo Agencies but they keep on say this week i will get the car.please intervien i am treated unfairly because my car will be at their workshop now for 2month because of their lies and is not for the first time they treated me this way while the car was on motor plan my Cigarate lighter was broked they booked me in, when i brought the car they ddint fix it and they keep on saying i should come of which i did.Their contacts are ********** mobile for Mr Renaldo is ********** .