The buttons set in QuickMenu Buttons remain on the screen respecting the time the user sets in Auto close second quickmenu.
This function allows the user to enable several functions that may be needed at some point and does not pollute the cockpit during the route.
Spoiler: QuickMenu Buttons
[Only registered and activated users can see links. ]
In normal situation, during the route, the screen (cockpit) has only the buttons set by the user through the Cockpit Buttons option.
Spoiler: Cockpit Buttons
[Only registered and activated users can see links. ]