You sit down, notice a panel full of buttons, and freeze. This happens to a lot of travelers in Japan. Here's what you actually need to know.
15-Second Answer
Many toilets in Japan have a washlet — a warm-water bidet seat. You do not have to use it. If you want to try it, start with the rear wash button and stop it with the stop button. That's all you need to know to get started.
You Do Not Have to Use the Washlet at All
A washlet is a warm-water bidet seat, common in Japanese hotels, homes, and public restrooms. The panel of buttons can look intimidating, but here's the most important thing: if you don't touch any buttons, it works exactly like a regular Western toilet.
The seat is often warm. That's normal. The toilet may open automatically when you walk in. That's also normal. None of it requires you to do anything.
If you're not sure what a button does, you don't have to press it. Most travelers use only one or two functions and ignore the rest.
The Only Two Buttons You Really Need
If you only remember two buttons, remember these:
- Rear wash (おしり): Starts the warm water spray for cleaning. This is the main function most people try first.
- Stop (止): Stops the water immediately. Press this whenever you want to end the spray.
Everything else on the panel is optional. Here's a quick reference for the other common buttons:
- Bidet (ビデ): Front wash, intended for women
- Dry (乾燥): Warm air drying — works but takes a while
- Sound / Otohime (音姫): Plays a water sound to mask noise — press once to start, once more to stop, or it stops automatically after a short time
- Water pressure / temperature controls: Usually small +/− buttons near the main functions
Buttons are increasingly labeled in English or with icons. If the panel is in Japanese only, おしり and 止 are the two to find.
How to Try It for the First Time
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1The seat is usually warm. This is intentional.
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2Water will start. The nozzle extends automatically — you don't need to do anything except sit in place.
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3The water stops and the nozzle retracts on its own.
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4Toilet paper goes in the toilet in Japan — it is normally flushable. Use the flush lever or the large (大) / small (小) buttons to flush.
Common Panic Moments
A few things that surprise first-time users — and what to do:
- Water started unexpectedly: Press 止 (stop). It stops immediately.
- Can't find the flush: Look for a lever on the side of the tank, or buttons labeled 大 (large flush) and 小 (small flush). Some toilets have a sensor — wave your hand near the flush symbol.
- A sound is playing on its own: That's the Otohime sound function. It stops automatically after a short time, or press the sound button again to stop it manually.
- The lid opened by itself: Automatic lid opening is a standard feature on higher-end toilets. Nothing to do.
- A nozzle appeared after flushing: The toilet is self-cleaning its nozzle. This is automatic and normal.
A Few Public Toilet Things to Know
Toilet paper goes in the toilet. Japan's plumbing handles it fine. Other items — wet wipes, tissues — should go in the bin.
Squat toilets still exist. Older stations, temples, and some public facilities may have squat-style toilets (和式). If the Western-style stall is occupied, there's usually one nearby on the same floor or the next.
Toilet slippers at ryokan. Some traditional inns and older facilities have a separate pair of slippers just for the bathroom. Swap into them at the door, and swap back out when you leave. Forgetting to switch back is a common mistake.
Bottom Line
Don't touch the buttons and it's a regular toilet. Want to try the washlet — press おしり to start, 止 to stop. That's genuinely all you need. Most people use one or two functions and leave the rest alone, and that's exactly the right approach.
