CITROËN DS 5 Handbook page 44

choice of language
Once this menu has been selected, you can
choose the language used by the display from
a pre-defined list.
Display configuration
This menu gives access to the following
settings:
- "Choice of units",
- "Date and time adjustment",
- "Display parameters",
- "Brightness".
Adjusting the date and time
F Press the "7" or "8" button to display
the "Display configuration" menu, then
press "OK".
F Press the "5" or "6" button to select the
"Date and time adjustment" button, then
press "OK".
F Press the "7" or "8" button to select
the setting to modify. Confirm by
pressing "OK", then modify the setting and
confirm again to save the modification.
F Adjust the settings one by one, confirming
with the "OK" button.
F Press the "5" or "6" button, then the "OK"
button to select the "OK" box and confirm
or the "Back" button to cancel.
As a safety measure, configuration of
the multifunction screen by the driver
must only be done when stationary.
The analogue clock, located in the
dashboard, is synchronised with the
time in the screen. It is set after the
time is adjusted using the configuration
menu and every time the ignition is
switched on.