4. Make sure your card works and that the room door locks.
When they show you to your room, remember to check whether your hotel card works and, more importantly, figure out how it works — they usually come with instructions. Also, see if your door locks properly. Most people think that it just automatically locks, but it’s good to be sure that there is no malfunction there. Locking the door both when you are out and when you are in, is the safest option.
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