****s steeling peoples money

So after having my car at Megatronics SA for 6 Months and paying them in full the amount of 55k I Decided to pay them a visit again today 28 October as they said my car will be ready on the 25th of October in the first place the cars battery was flat as it still had a smaller battery in and I was told 2 weeks ago that they would see that the cars original battery would be fitted to the vehicle 2 weeks ago my car was driven for ****m in 2 weeks time the damages on my boot is still there and my wind shield that was removed is still not replaced and again excuses on excuses like many people says this companies doors should be closed they keep on throwing the blame on the customer now I get told I removed the battery while the vehicle was in their possession they are a bunch of ****s steeling peoples money