CITROËN DS5 Owner's Handbook Manual page 58

"Keyless Entry and Starting" system
System that allows the opening, closing
and starting of the vehicle while keeping the
electronic key on your person.
It can also be used as a remote control;
see the "Electronic key/remote control"
section.
For reasons of safety and theft
protection, do not leave your electronic
key in the vehicle, even when you are
close to it.
It is recommended that you keep it on
your person: in a pocket, bag, ...
Unlocking the vehicle
Complete unlocking
 With the electronic key on your person
and in the recognition zone A , pass your
hand behind the door handle to unlock the
vehicle, then pull the handle to open the
door.
Your passengers can also open their
doors, as soon as the electronic key is in
the recognition zone around the vehicle.
Selective unlocking
This setting is done via the
configuration menu.
By default, complete unlocking is
activated.
 To unlock only the drivers door, with the
electronic key on your person, pass your
hand behind the driver's door handle then
pull the door handle to open.
 To unlock the complete vehicle, pass your
hand behind one of the passenger door
handles on the same side of the vehicle as
the electronic key is located, then pull the
door handle to open.
Unlocking is confirmed by rapid
flashing of the direction indicators for
approximately two seconds.
The door mirrors unfold at the same
time.
If the alarm is on, the audible warning
when opening a door with the key
(integral with the remote control), will
stop on starting the engine.