Unexpectable customer service received from Glasfit

Worst customer service ever. I have been struggling with them for the last two weeks just to get my windscreen and left passenger window replaced. Done it through my insurance and was there at there branch so they can see the windscreens to order the correct ones and to ask them if they will make sure to get the smash and grab also installed. After a few days my husband phoned them to find out what is happening and they said I have send them a message to cancel the claim (I never did). Then a few days passed again and then apparently the insurance company cancelled the claim (I phoned my insurance company and they said they didn't). Well then they reloaded the claim, again after a few days they said the windscreen and left passenger window has arrived. Took the car to the branch just so that they can tell me what the left side windscreen is not the correct one (after I was at the branch for them to check to get the correct information). They covered the opening with plastic to look like a hobo car. We had to drive around like that for 4 days. Unexpectable for me because I am self-employed and have to do deliveries, with a plastic covered window. Finally today they phoned and said the left side window has arrived. And that we have to take the car to get the smash and grab done. We don't have the time to run around to get these things done that is why I was there to asked them to get is sorted. Was willing to pay extra. I had to pay them the access to get my car back so that I can go to another company to get the smash and grab done. So when we wanted to leave the branch they left my keys inside switched on and my battery of the car died. How do you leave the keys in the car with the crime rate we have in this country and now my cars battery probably also got damaged. This is Unexpectable service to deliver to your customers. Where is your pride in the service you provide.