skoda retailer damaged my car during repair!

hello,

I had a gear selector replacement under the warranty and when they replaced the selector damaged 2 things.

1 My car parking mode didn't work anymore .. as soon as i saw this i went back and told them and they was agree to fix it in the end.

2 Second damage, wich i found after couple months.. they broke the plastick support that keeps the gear selector leather attached by car support.. sorry i don't know how to explain better... i will attach one photo.

And now the support goes out when you pull.I went back to them and the guy there told me that he will speak with the service manager and he wilk call me back, so after i waited couple days and i didn't received any call.. i called myself and the same guy told me i spoke with the service manager and he is not agree to cover the cost of the repair because i have made more than 2000 miles with the car.

then i called skoda customer service and they told me that they will speak with skoda retailer about this problem but if skoda retailer isn't agree to repair the car they don't have whan to do because the dealer is independet business.

Can anyone please tell me what options do i have in this case?

sorry for my english!