Well, for anyone reading this comment nearly 5 years later, he definitely has one now:
https://mangadex.org/title/157ab2cc-1fc7-4b29-8955-72d94a140982/kesa-mo-yuraretemasu
I guess it's more the presumed safety issue that the other tires are in the red. So if the shop can't fit them into the schedule until tomorrow, it's not unreasonable to leave it there.