2010 CITROEN DS4 lock

236
Attach the trailer to the towball.
Attach the cable on the trailer to the security
ring located on the carrier.
Lower the trailer harness socket carrier by
pulling down on the ring visible below the
b u m p e r.
Remove the protective cover from the socket
and connect the trailer wiring harness.
Removing the towball
Disconnect the trailer harness from the socket
on the carrier.
Detach the cable on the trailer from the security
ring on the carrier.
Unhook the trailer from the towball.
Return the trailer harness connector carrier to
the folded position.Insert the key into the lock.
Turn the key anti-clockwise to unlock the
towball fixing mechanism.
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237
Be ready for the weight of the towball
(around 3.5 kg). Risk of injury!
Grasp the towball firmly with one hand; with
the other hand, press and turn the locking
wheel
clockwise as far as it will go.
Extract the towball downward. Refit the protective cover for the ball and the
protective cover for the locking wheel.
Stow the towball in its bag.
Refit the protective blanking plug to the carrier.
Maintenance
Correct operation is only possible if the towball
and its carrier remain clean.
Before cleaning the vehicle with a high pressure
jet wash, the towbar harness socket carrier must
be folded away, the towball removed and the
blanking plug inserted in the carrier.
For any work on the towbar, got to a CITROËN
dealer or a qualified workshop.
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Practical information

248
To check the level or top up the
fluid on vehicle fitted with headlamp
washers, immobilise the vehicle and
switch of the engine.
Screenwash / headlamp wash fluid level
F Open the bonnet and secure it with the st ay.Specification of the fluid
To ensure optimum cleaning and to avoid
freezing, the fluid should never be topped up or
replaced by plain water.
In wintry conditions, the use of a fluid
with an ethyl alcohol or methanol base is
recommended.
F

O

pen the screenwash reservoir filler cap.
F

T

ake and pinch the level gauge to block its
breather.
F

R

emove the gauge completely from
the reservoir to read the level in the
transparent section.
F

T

op up if necessary.
F

R

efit the filler cap to the reservoir and
close the bonnet.
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Practical information

250
Particle filter (Diesel)
According to your version of instrument panel, the start of
saturation of the particle emissions filter is indicated by:
- temporary illumination of the service warning lamp,
accompanied by an audible signal
and a message that there is a risk
of blockage of the particle filter.
-

f
ixed illumination of the particle
filter warning lamp, accompanied
by an audible signal and a
message that there is a risk of
blockage of the particle filter,
or
As soon as the traffic conditions permit,
regenerate the filter by driving at a speed of at
least 40 mph (60 km/h) until the warning lamp
goes off.
If the warning lamp stays on, there is a lack of
additive.
Checking components
Air filter and passenger compartment filter
Oil filter
Unless other wise indicated, check these components in accordance with the manufacturer's service schedule and according to your engine.
Other wise, have them checked by a CITROËN dealer or a qualified workshop.
Refer to the manufacturer's
service schedule for details of the
replacement intervals for these
components.
Replace the oil filter each time the
engine oil is changed.
Refer to the manufacturer's
service schedule for details of
the replacement interval for this
component.
Versions equipped with Stop &
Start are fitted with a 12 V lead-acid
battery of specific technology and
specification.
Its replacement should be carried
out only by a CITROËN dealer or a
qualified workshop.
12 V battery
For more information and the precautions to
take before starting work on the 12 V batter y
,
refer to the corresponding section.
The battery does not require any maintenance.However, check regularly that the
terminals are correctly tightened
(versions without quick release terminals)
and that the connections are clean.
Depending on the environment (e.g. dusty
atmosphere) and the use of the vehicle
(e.g. city driving), replace them twice as often
if necessary .
A clogged passenger compartment filter may
have an adverse effect on the per formance
of the air conditioning system and generate
undesirable odours.
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Practical information

255
Never store bottles of AdBlue® in your
vehicle.
Recommendations on storage
AdBlue® freezes at about -11°C and
deteriorates above 25°C. It is recommended
that bottles be stored in a cool area and
protected from direct sunlight .
Under these conditions, the fluid can be kept
for at least a year .
If the additive has frozen, it can be used once it
has completely thawed out. Before starting the top-up procedure, ensure
that the vehicle is parked on a flat and level
sur face.
Procedure
F Switch off the ignition and remove the
key, or if your vehicle has one, press the
START/STOP button to switch off the
engine.
F

R
aise the boot floor for access to the
AdBlue
® tank. S
ecure the boot floor by attaching its cord
to the hook on the parcel shelf support.
F

U

nclip the black plastic blanking plug using
its tab.
F

I

nsert your fingers into the aperture and
turn the blue cap a 6
th of a turn anti-
clockwise.
F

C

arefully lift off the cap, without dropping it.
Do not dispose of AdBlue
® bottles or
containers in the household waste.
Place them in a container provided
for this purpose or take them to your
dealer.
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Never dispose of AdBlue® additive
bottles in the household waste. Place
them in a special container provided
this purpose or take them to your
dealer.
Important: if your vehicle's AdBlue
®
tank is completely empty - which
is confirmed by the alert displays
and the impossibility of starting the
engine

- you must add at least 3.8 litres
(so

two

1.89

litre bottles). If any additive is split or splashed, wash
immediately with cold water or wipe
with a damp cloth.
If the additive has crystallised, clean it
off using a sponge and hot water.
Important:
in the event of a top-
up after a breakdown because of
a lack of additive , you must wait
around 5 minutes before switching
on the ignition, without opening the
driver's door, locking the vehicle,
introducing the key into the ignition
switch, or introducing the key of the
"Keyless Entr y and Star ting" system
into the passenger compartment .
Switch on the ignition, then, after
10 seconds, start the engine.
F

O

btain a bottle of AdBlue
®. After first
checking the use-by date, read carefully
the instructions on use on the label before
pouring the contents of the bottle into your
vehicle's AdBlue
® tank. F
A
fter emptying the bottle, wipe away any
spillage around the tank filler using a damp
cloth.
F R efit the blue cap to the tank and turn it a
6th of a turn clockwise, to its stop.
F
R
efit the black plastic blanking plug,
clipping it in on the flap
F

D

etach the cord from the parcel shelf
support and lower the boot floor.
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265
Removing the pipe and cartridge
F Turn the pipe assembly 2 to the left until it contacts the unit.
F

D
isconnect the union 1 from the cartridge
by turning it a quarter turn anti-clockwise.
F

E
xtract the pipe assembly 2 , then
disconnect the union 3 from the air delivery
pipe by turning it a quarter turn anti-
clockwise. Beware of discharges of fluid.
The expiry date of the fluid is indicated
on the cartridge.
The sealant cartridge is designed for
single use; even if only partly used, it
must be replaced.
After use, do not discard the cartridge
into the environment, take it to an
authorised waste disposal site or a
CITROËN dealer.
Do not forget to obtain a new sealant
cartridge, available from CITROËN
dealers or from a qualified workshop.
F
R emove the pipe assembly 2
.
F S upport the compressor vertically.
F

U
nscrew the cartridge 4 from the bottom.
To fit the new cartridge and new pipe, carry out
these operations in reverse order.
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In the event of a breakdown

275
Removing a wheel
Parking the vehicle
Immobilise the vehicle where it does
not block traffic: the ground must be
level, stable and non-slippery ground.
Apply the parking brake unless it has
been programmed to automatic mode,
switch off the ignition and engage first
gear* to lock the wheels.
Check that the braking warning lamps
in the instrument panel are on (not
flashing).
The occupants must get out of the
vehicle and wait where they are safe.
If necessary, place a chock under the
wheel diagonally opposite the wheel to
be changed.
Never go underneath a vehicle raised
using a jack; use an axle stand.F

R
emove the bolt cover from each of
the bolts using the tool 3 (according to
equipment).
F

F
it the security socket 4 on the
wheelbrace


1 to slacken the security bolt.
F

S
lacken the other bolts using the
wheelbrace 1 o n l y.
*

Position P for an automatic gearbox.
List of operations
08
In the event of a breakdown