Which one do I press, the big flush button or the small one?

How to say “Which one do I press, the big flush button or the small one?” in Japanese

In Japanese

洗浄(せんじょう)ボタンって、大(おお)きいのと小(ちい)さいの、どっちを押(お)せばいいの?

Senjōbotan tte, ōkii no to chiisai no, dotchi o oseba ii no?

Which one do I press, the big flush button or the small one? in other languages