Part	Material
LCD back cover (lid)	Magnesium Alloy
LCD front cover (bezel)	Plastic
Top case (palm rests/port covers)	Magnesium Alloy
Bottom panel	Magnesium Alloy

Icon	State	Description
	On	Charging
	Off	Fully charged
	On	Webcam disabled (privacy mode on)
	Off	Webcam enabled (privacy mode off)
	On	Powered on
	Pulsing	Suspended
	Off	Powered off

Key	Shortcut	Action
	Fn+F1	Mute
	Fn+F2	Volume down
	Fn+F3	Volume up
	Fn+F6	Toggle trackpad
	Fn+F7	Cycle keyboard brightness
	Fn+F9	Toggle airplane mode
	Fn+F10	Toggle displays
	Fn+F11	Screen brightness down
	Fn+F12	Screen brightness up