How to use Japan's multifunction toilets

Travelers to Japan have good things to say about Japanese toilets.
They are sanitary and their seats are warm. Sometimes a toilet produces sound to mitigate noises and improve privacy, and you may encounter a toilet whose seat lid rises automatically.But the function that most pleases people is the jet of warm water that washes a person's bottom.On the other hand, some people do not understand how to use such multifunction toilets.
In this video, we will instruct you in the basic operation of a multifunction toilet, using the example of a toilet at the Shibuya Excel Hotel Tokyu.
A landmark hotel that directly connects to Shibuya Station. Rooms on upper floors have a nice view of Tokyo.