HTC One M9 - Manual (Page 36)

Two-finger swipe
Swipe down from the status bar using two fingers to access Quick Settings.
Three-finger swipe
§ Swipe up the screen with three fingers and HTC Connect ®
streams music or video from HTC One M9 to your speakers
or TV respectively. You can also share streaming media from
apps such as YouTube
® .
§ Swipe down to disconnect from your speakers or TV.
Media gesture is turned on in Settings by default, which makes the three-finger gesture work for
sharing media.
Three-finger tap
While using the Car app, tap the screen with three fingers to activate the
voice command mode.
36 Your first week with your new phone