So DH was going round the house opening and locking windows and doors to be sure he had the keys in all the correct locks. We can't get the patio door to lock into place properly. The doors were only installed in 2021 and have a 10 year warranty but the company is closed for Christmas/ NY until the 6th. WWYD? We could call a locksmith but would probably cost us about £400 because of it being an emergency and NYD or we could leave them an apology note and a copy of the warranty and leave the buyers to sort. I feel bad that the doors won't lock properly (they lock together but not into the base - so someone could probably break them open if they tried hard) but equally I don't want to spend loads of money when it's covered under warranty. If we weren't moving we'd just live with it for a few days and get it sorted when the company reopens, but is that unfair? If it makes a difference we didn't want to complete on 3rd Jan because we were worried about last minute issues not being able to get stuff sorted because everywhere is closed but the buyers threatened to pull out if we didnt agree to this date. I sort of feel like that means they took the risk. To be clear they WILL NOT have to pay as it's covered, but they will have a potential security issue over the weekend and until they can get an appointment. Help!