CITROËN DS5 Owner's Handbook Manual page 52

Locking the vehicle
With the electronic key in the defined
zone A , press with a finger on one of
the door handles (at the markings) to lock
the vehicle.
Maintain pressure with your finger until
the windows close completely.
Locking is confirmed by fixed
lighting of the direction indicators for
approximately two seconds.
The door mirrors fold at the same time.
Ensure that no one prevents the correct
operation of the windows.
Be aware of children when operating
the windows.
If one of the doors or the boot is still
open or if the key for Keyless Entry and
Starting has been left inside the vehicle,
the central locking does not take place.
When the vehicle is locked, if it is
unlocked inadvertently, it will relock
automatically after about thirty seconds
unless a door is opened.
The folding and unfolding of the door
mirrors by the remote control can be
deactivated by a CITROËN dealer or a
qualified workshop.
Locating your vehicle
This function allows you to identify
your vehicle from a distance,
particularly in poor light. Your vehicle
must be locked.
Press the closed padlock on the remote
control.
This will switch on the courtesy lamps and the
direction indicators will flash for a few seconds.
As a safety measure (children on
board), never leave the vehicle without
taking the key for the Keyless Entry and
Starting system, even for a short period.
Guard against theft when the key for
the Keyless Entry and Starting system
is in the defined zone with the vehicle
unlocked.
After a long period of parking,
the automatic detection functions
of the key are inhibited so as to not
discharge the vehicle's battery. You
should then use the remote control
function of the key to unlock the vehicle.