10 Hidden Hotel Room Secrets Every Smart Traveler Should Know

4. Make sure your card works and that the room door locks.

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Before settling in, test your hotel key card to ensure it works properly. Familiarize yourself with how it functions, as instructions are often provided. Additionally, check that your room door locks securely — this is crucial for your safety. Always lock the door when you're inside or leaving the room to avoid any unwanted surprises.