Since you've mentioned south Europe, here in Serbia since a few years ago the fines for not using a seatbelt are so high that taxi drivers often ask you to buck

Since you've mentioned south Europe, here in Serbia since a few years ago the fines for not using a seatbelt are so high that taxi drivers often ask you to buckle up if you don't do it yourself and they never give you strange look for using it. At least one good thing here.