Poor service, And my car is still not repaired.

I had met an accident on the 13 June 2015, and although the assessment on my was finalised a week later, payment was approved by my insurer on the 1st of July 2015.<br> I was contacted by the panel beaters (East coast panel & paint) informing me that they had received my car and will start the repair process.<br> Till this day (08 September 2015) , this has yet to be completed.<br> From the beginning, I had advised all parties involved that my job requires the use of a car and I need this job completed as soon as possible.<br> But till this day, no courtesy car has been afforded and I have had to incur car hire costs.<br> My car was collected on 13 Jun 2015, <br> Authorisation only received on 1 Jul from the insurers.I was told in July that there had been a back log on parts from Mazda and these were due to arrive in September.<br> I was advised 2 weeks ago that the car had commenced repairs and was in the parking bay (Aug 27th 2015)<br> 4th September I contacted Mazda head office to confirm back order details and Mazda confirmed there is no back order, and parts were only ordered on 1st Sept 2015.<br> 8th Sept 2015, all parties are blaming each other for the mix up, and as the client I am still not assisted