Express Airport parking

I have used Express Airport parking twice the first everything was great on arrival car was there with no issues the secound time my car was 15min late when i drove of i had found a chip on the windshield and it had atarted to run. Phoned them as i was already driving down the ramps there replying and said no they would contacts the driver till date they are radio silent with u needing to follow up please read you T.C as they cover nothing and take no responsibility