Aston Martin One-77 2010 Owner's Manual page 123

If radio is the current media source: Press and release
to select the next available radio source and play the
last heard station. The radio source menu will show
with the current radio source highlighted. If no
selection is made after four seconds the now playing
screen will show.
[5] SOURCE - Press and release to select the music
selection menu, with the current (or previous) media
source highlighted. Press and release again to select the
next available music source. If no selection is made
after four seconds the now playing screen will show.
[6] NAV - If route guidance is OFF: Press and release
will show your current position on the map. Press and
release again to select of the navigation menu (or press
BACK).
If route guidance is ON: Press and release to show
your current position on the map and the route ahead.
[7] PHONE - Press and release to start the hands-free
phone system.
[8] MENU - Open the main menu. If no selection is
made the screen will go back to the previous display
(i.e. Now Playing or Nav screen).
[9] VOLUME - Volume control.
[10] CALL - Accept or decline a call.
Infotainment On and Off
The infotainment system is available with the vehicle
key at least in position 'I' and is available until the
vehicle key is removed from the ignition control.
If the infotainment system is ON when the ignition is
set to OFF and the vehicle key removed, it will
automatically start the next time the vehicle key is
moved to position 'I'.
When the infotainment system is set to ON the
volume will be set to a low level.
7.3