CITROËN DS5 Owner's Handbook Manual page 72

Storing driving positions
System which stores the electrical settings
of the driver's seat and the head-up display
settings. It enables you to store up to
two positions using the buttons on the side of
the driver's seat.
Storing a position using buttons
M/1/2
Switch on the ignition.
Adjust your seat and the head-up display.
Press button M , then press button 1 or 2
within four seconds.
An audible signal indicates that the position
has been stored.
Storing a new position cancels the previous
position.
Recalling a stored position
Briefly press button 1 or 2 to recall the
corresponding position.
An audible signal indicates the end of the
adjustment.
You can interrupt the current movement
by pressing button M, 1 or 2 or by using
one of the seat controls.
A stored position cannot be recalled
while driving.
Recalling stored positions is
deactivated 45 seconds after switching
off the ignition.