buttonguide

noun
UK /ˈbʌtənɡaɪd/
US /ˈbʌtənɡaɪd/

A button guide is a small helper that shows you which button to press.

The button guide on the screen showed me how to start the game.


OTHER MEANINGS

2. A printed sheet that explains what each button on a machine does.

He checked the button guide before using the new coffee maker.

3. A small label or marker placed next to a button to show its purpose.

The button guide beside the elevator buttons was written in three languages.

4. A software feature that highlights buttons and explains them to new users.

The app's button guide pops up the first time you open it.