Page 174 of 436
Rear seat belts
Fastening
F Pull the strap, then insert the tongue in the buckle.
F
C
heck that the seat belt is fastened
correctly by pulling the strap.
Unfastening
F Press the red button on the buckle.
F G uide the seat belt as it reels in.
F
O
n the outer seat belts, raise the bar to the
top of the backrest to prevent the tongue
from knocking against the side trim.
The rear seats are each fitted with a three-point
seat belt, with force limiter and, for the outer
seats, an effort limiter.
Seat belt not fastened /
unfastened warning lamps
display
1. Driver's seat belt not fastened / unfastened
warning lamp.
2.
F
ront passenger's seat belt not fastened /
unfastened warning lamp.
The corresponding warning lamp 1 or 2 comes
on in red on the seat belt and passenger's front
airbag warning lamps display, accompanied by
an audible signal and a message in the screen,
if the seat belt is not fastened or is unfastened.
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Seat belt unfastened warning
lamp in the instrument panel
This warning lamp comes on in the
instrument panel when one or more rear
passengers unfasten their seat belt.
Seat belt unfastened warning
lamps display
3. Right hand rear seat belt warning lamp.
4. Centre rear seat belt warning lamp.
5.
L
eft hand rear seat belt warning lamp.
When the ignition is switched on, with the
engine running or when the vehicle is moving at
less than 12 mph (20 km/h), the corresponding
warning lamps 3, 4 and 5 come on in red for
approximately 30 seconds, if the seat belt is not
fastened.
When the vehicle is moving at more than 12 mph
(20 km/h), the corresponding warning lamps
3,
4 and 5 come on in red, accompanied by an
audible signal and a message in the screen, if a
rear passenger has unfastened their seat belt.
From approximately 12 mph (20 km/h),
this warning lamp flashes for two minutes
accompanied by an audible signal of increasing
volume. Once these two minutes have elapsed,
this warning lamp remains on until the one or
more rear passengers fasten their seat belt.
Safety
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DS4_en_Chap07_securite_ed03-2015
deactivation
Only the passenger's front airbag can be
deactivated:
F
i
nsert the key in the passenger airbag
deactivation switch,
F
t
urn it to the "OFF" position,
F
t
hen, remove the key keeping the switch in
the new position.
According to version, this warning
lamp comes on in the instrument
panel and/or in the seat belt and
passenger's front airbag warning
lamps display when the ignition is on
and until the airbag is reactivated. To assure the safety of your child,
the passenger's front airbag must be
deactivated when you install a rear ward
facing child seat on the front passenger
seat.
Other wise, the child would risk being
seriously injured or killed if the airbag
were deployed.
Reactivation
When you remove the child seat, turn the
switch to the "ON"
position to reactivate the
airbag and so assure the safety of your front
passenger in the event of an impact.
With the ignition on, this warning
lamp comes on in the seat belt and
passenger's front airbag warning
lamps display for approximately
one minute, if the passenger's front
airbag is activated.
Operating fault
If this warning lamp comes on in
the instrument panel, contact a
CITROËN dealer or a qualified
workshop to have the system
checked. The airbags may no longer
be deployed in the event of a serious
impact.
Safety
Page 188 of 436

DS4_en_Chap08_conduite_ed03-2015
Avoid attaching heavy objects to the
key or the remote control, which would
weigh down on its blade in the ignition
switch and could cause a malfunction.
It could adversely affect the
deployment of the front airbag.
Starting / Switching off the engine with the key
It has 3 positions:
- position 1 (Stop): insert and removing the
key,
-
position 2 (Ignition on) : steering column
unlocked, ignition on, Diesel preheating,
engine running,
-
position 3 (Starting) .
Ignition switch
Ignition on position
It allows the use of the vehicle's electric
equipment or portable devices to be charged.
Once the state of charge of the battery drops
to the reserve level, the system switches to
energy economy mode: the power supply is
cut off automatically to preserve the remaining
battery charge.
Switching off the engine leads to a loss
of braking assistance.
Anti-theft protection
Electronic engine immobiliser
In the event of a fault, you are
informed by illumination of this
warning lamp, an audible signal
and/or the display of a message,
depending on version.
Keep safely, away from your vehicle,
the label attached to the keys given to
you on acquisition of the vehicle.
In this case, your vehicle will not start; contact
a CITROËN dealer as soon as possible. The keys contain an electronic chip which has
a special code. When the ignition is switched
on, this code must be recognised for engine
starting to be authorised.
This electronic engine immobiliser locks the
engine management system a few minutes
after the ignition is switched off and prevents
starting of the engine by anyone who does not
have the key.
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Starting / Switching off the engine with Keyless Entry and
Starting
Starting the engine
F Place the gear selector lever P or N with an automatic gearbox, or neutral with a
manual gearbox.
F
W
ith the electronic key inside the vehicle,
press the brake pedal for vehicles with an
automatic gearbox, or fully declutch for
vehicles with a manual gearbox. F
B
riefly press the " S TA R T/
STOP " button while maintaining
pressure on the pedal until the
engine starts. If the electronic key is not detected
in the zone, a message is displayed.
Move the electronic key into the zone
so that the engine can be started.
If one of the starting conditions is not
met, a reminder message appears in
the instrument panel screen. In some
circumstances, it is necessary to
turn the steering wheel slightly while
pressing the " START/STOP " button
to assist unlocking of the steering;
a message warns you when this is
needed.
The presence of the "Keyless Entry
and Starting" electronic key in the
recognition zone is essential.
As a safety measure, do not leave this
zone with the vehicle running.
diesel vehicles
In temperatures below zero
the engine will not start until
the preheater warning lamp
has gone off.
If this warning lamp comes on after
pressing " START/STOP ", you should
hold the brake or clutch pedal down
until the warning lamp goes off and do
not press the " START/STOP" button
again.
The steering column unlocks and the engine
starts more or less instantly.
See the advice below for Diesel versions.
It is not necessary to place the electronic key in
the reader.
driving
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Emergency switch-off
In the event of an emergency only,
the engine can be switched of without
conditions. To do this, press and hold
the "START/STOP " button for about
3 seconds.
In this case the steering column locks as soon
as the vehicle stops.
Electronic key not
recognised
If the electronic key is no longer in the
recognition zone when driving or when you
(later) request switching off the engine, a
message is displayed. F
P
ress and hold the " S TA R T/
STOP " button for about
3
seconds if you want to force
switching off the engine ( note
that restar ting will not be
possible without the key ).
Ignition on position
(without starting)
With the Keyless Entry and Starting key inside
the vehicle, pressing the "START/STOP"
button, with no action on the pedals , allows
the ignition to be switched on.
F
P
ress the "START/STOP" button,
the instrument panel comes on
but the engine does not start.
F
P
ress the button again to switch off the
ignition and so allow the vehicle to be
locked.
With the ignition on, the system
automatically goes into energy
economy mode when required to
maintain the state of charge of the
battery.
driving
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DS4_en_Chap08_conduite_ed03-2015
Electric parking brake
The electric parking brake has two operating
modes:
-
A
utomatic application / release
A
pplication is automatic when the engine
stops, release is automatic on use of the
accelerator (activated by default),
-
M
anual application / release
T
he parking brake can be applied /
released manually by pulling control
lever
A. Do not place any object (packet of
cigarettes, telephone...) between the
gear lever and the electric parking
brake control lever. It is recommended that you do not
apply the parking brake in very cold
conditions (ice) and during towing
(breakdown, caravan...). Deactivate the
automatic functions and release the
parking brake manually.
If this warning lamp comes on in
the instrument panel, the automatic
mode is deactivated.
Programming the mode
Depending on the country of sale of the vehicle,
the automatic application when the engine is
switched off and the automatic release when
you press the accelerator can be deactivated. Activation / deactivation is done
using the vehicle configuration
menu; refer to the section covering
the configuration of your vehicle's
systems.
The parking brake is then applied and released
manually. When the driver's door is opened,
there is an audible signal and a message is
displayed if the parking brake is not applied.
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With the ignition on or the engine running, to
release the parking brake, press on the brake
pedal or the accelerator, pull then release
control A .
Manual release
Before leaving the vehicle, ensure
that parking brake warning lamp in the
instrument panel is on fixed, not flashing.
Manual application
With the vehicle stationary, to apply the parking
brake whether the engine is running or off, pull
control lever A .
The application of the parking brake is
confirmed by: -
illumination of the braking warning
lamp and of the P warning lamp in
the control lever A ,
- display of the message "Parking
brake on".
When the driver’s door is opened with the
engine running, a message is displayed
accompanied by an audible signal if the parking
brake has not been applied, except in the case
of an automatic gearbox with the gear selector
in position P . The full application of the parking brake is
confirmed by:
- t he braking warning lamp and
the P warning lamp in the control
lever A going off,
-
d
isplay of the message "Parking
brake off ".
If you pull control lever A without
pressing the brake pedal, the parking
brake will not be released and a
warning lamp will come on in the
instrument panel.
Maximum application
If necessary, you can make a maximum
application of the parking brake. This is
obtained by means of a long pull on the control
lever A , until you see the message "Parking
brake on maximum" and a beep is heard.
Maximum application is essential:
-
i
n the case of a vehicle towing a caravan
or a trailer, if the automatic functions are
activated but you are applying the parking
brake manually,
-
w
hen the gradient you are parked on may
vary (e.g. on a ferry, on a lorry, during
towing).
In the case of towing, a loaded vehicle
or parking on a gradient, make a
maximum application of the parking
brake then turn the front wheels
towards the pavement and engage a
gear when you park.
After a maximum application, the
release time will be longer.
driving