Bad service

I have bought a brand new car last year may and it was involved in an accident on December so miway took the car to the panelbeater it's now going for 5months since and i don't even have a Cartecy car ,I pay full Premiums every month and also have to budget for transportation again ,im now struggling financially because of lack of transport and also my kids cannot attend school on weekend I can't afford uber all the time,I was told it will only take 3weeks now it's 5months ,if I don't call or send an email no1 is attending me I'm so dissapointment in the service I received from miway and next month I must take my car for service so I'm now going to lose my warranty because of their poor service i have been assisted by a lady called Hlengiwe Nhlenge claim no is 916564 im always told that i will get car its finished but also that they are waiting for the parts so they will postpone the date always so i really am tired of this poor service please help