CITROEN DS4 Owner's Handbook Manual page 232

Parking space sensors
System which measures the parking space
available between two vehicles or obstacles.
It measures the size of the space and gives you
information on:
- the possibility of fitting into a free space,
depending on the dimensions of your
vehicle and the distances needed for
manoeuvring,
- the level of difficulty of the manoeuvre to
be performed.
The system does not measure spaces which
are clearly much smaller or larger than the size
of the vehicle.
Displays in the instrument panel
The parking space sensor function
warning lamp can have two different
states:
- on fixed: the function is selected by a
press on control A .
- off: the function is not selected,
Operation
You have identified a parking space:
 Press button A to select the function.
 Operate the direction indicator on the
side where the space is to be measured;
a message is displayed to confirm that
measurement is in progress.
 During measurement, go forward the
length of the space, at a speed less than
12 mph (approx. 20 km/h), to prepare for
your manoeuvre.
 Once the measurement has been
completed, the system informs you of
the level of difficulty of the manoeuvre
by a message in the multifunction screen
accompanied by an audible signal.