When you see this air conditioner switch in a hotel room, do you know how to use it?

▲ Online artist Kayo drew a useful hotel tip about air conditioner switches, which left many netizens enlightened. (Photo /Kayo. Casual Life fan pageProvided. Please do not reproduce without permission to avoid copyright infringement.)

ReporterYan Xintong/ Comprehensive report

Online artist Kayo recently shared a post on her personalKayo. Casual Life fan pageabout common knowledge regarding hotel air conditioner switches. The image shows that while working at a hotel, she noticed many guests didn’t know how to operate switches like the one pictured, so she drew a diagram to teach everyone how to use it. For example, “All three switches down means the AC is off, one switch up is the strongest setting, two switches up is medium, and all three switches up is the weakest.”.

▲ Online artist Kayo drew a useful hotel tip about air conditioner switches, which left many netizens enlightened. (Photo / Kayo. Casual Life fan page provided. Please do not reproduce without permission to avoid copyright infringement.)

Many netizens commented after seeing it, saying things like “This switch design is really bad—if there are no labels, I can never tell whether ‘1’ means the strongest or the weakest.” Others noted how practical such basic tips are, with many people not knowing how to use them. One commenter wrote, “A design that no one can use correctly is a failed design.” This illustration sparked lots of discussion, finally clearing things up for many.

▲ Online artist Kayo drew a useful hotel tip about air conditioner switches, which left many netizens enlightened. (Photo / Kayo. Casual Life fan page provided. Please do not reproduce without permission to avoid copyright infringement.)

As of 10:00 AM on the 27th, the post had been shared 699 times. Netizens were deeply moved, expressing their appreciation for the hotel tips and hoping Kayo would create more such content as a show of support and encouragement. Aside from the switch diagram, Kayo has also shared instructions on how to use hotel bedding—details that most guests typically don’t know.

▲ Online artist Kayo drew a useful hotel tip about air conditioner switches, which left many netizens enlightened. (Photo / Kayo. Casual Life fan page provided. Please do not reproduce without permission to avoid copyright infringement.)

Online artist Kayo is a housekeeping staff member who works in hotels, responsible for cleaning rooms. Her fan page was created in 2014, but because she was a student focusing on her studies at the time, she posted less frequently. In an interview, she said that now that she has just graduated, seeing the positive response from netizens, she plans to share more related illustrations on her fan page to spread her hotel tips.