Above all, there is one thing you should never do with a key: lose it. On the one hand, because you will no longer be able to enter your apartment—on the other hand, because other people might be able to enter your home.

This can happen if someone can identify which lock a key belongs to. For this reason, keys should never be labeled in a way that allows conclusions to be drawn about the corresponding lock. In the worst case, this could even be your front door.

Even spare keys that you give to neighbors for emergencies should not be marked in this way. Instead, think of alternatives: a colored key cap, a small tag that reminds you of a shared trip, or a decorative key pouch.

If a key is ever “lost” and you cannot be sure it has not fallen into the wrong hands, you should have the lock replaced as soon as possible. We also recommend Amper Ausfperrdienst in Munich as a fair and reliable provider in such cases.