How to turn on,change or off subtitles from your remote while watching the movie?

Having problems with the subtitles set up.either can’t find it or is there a option I can add?

http://kodi.wiki/view/Video_playback#OSD_audio_and_subtitle_settings

Everything is working perfectly. I had to go back to the osmc interface. for some reason I had a odd/ other interface ,thank you very much !