2012 Citroen DS4 bonnet

Running out of fuel
(Diesel)
On vehicle fitted with HDi engines, the fuelsystem must be primed if you run out of fuel; refer to the engine compar tment view on the "Diesel engine" page.


1.6 litre HDi engine
)
Fill the fuel tank with at least five litres of
diesel. )
Open the bonnet.)
If necessary, unclip the styling cover for
access to the priming pump. ) Squeeze and release the priming pump
repeatedly until resistance is felt (there may
be resistance at the first press). ) Operate the star ter until the engine starts(if the engine does not star t at the first
attempt, wait around 15 seconds before
trying again). ) If the engine does not star t after a few
attempts, operate the priming pump again
then start the engine. ) Clip the styling cover back in place. )
Close the bonnet.


If the tank on your vehicle is fitted witha misfuel prevention device, refer to the section "Access - § Misfuel prevention(Diesel)".
2 litre HDi engin e
)Fill the fuel tank with at least five litres of
Diesel.)Open the bonnet. )If necessary, unclip the style cover for access to the priming pump. )Slacken the bleed screw.)Squeeze and release the priming pump repeatedly until fuel appears in the
transparent pipe.
)Tighten the bleed screw. )Operate the star ter until the engine star ts (if the engine fails to star t at the first attempt, wait around 15 seconds before
trying again).)If the engine fails to star t after severalattempts, operate the priming pump again,
then the starter. )Put the style cover back in position andclip it in place, ensuring that it has clippedcorrectly.)Close the bonnet.

If the engine does not star t first time, don't keep trying. Star t the procedureagain from the beginning.

237
Checks

























Checking levels
Check all of these levels regularly and top them up if necessary, unless other wise indicated.
If a level drops si
gnificantly, have the corresponding system checked by a CITROËN dealer or a qualified workshop.


Oil level
Engine oil change
Refer to the servicing booklet for the inter val for
this operation.
In order to maintain the reliabilit
y of the engine and emission control system, the use of additives in the engine oil is prohibited.
Oil specifi cation
The oil must correspond to your engineand conform to the manufacturer'srecommendations.



Brake fluid level


Changing the fl uid

Refer to the servicing booklet for the inter val for
this operation.

Fluid specifi cation

The brake fluid must conform to themanufacturer's recommendations and meet theDOT4 standard.
Th
e brake fluid level should be closeto the "MA X" mark. If it is not, check
the brake pad wear.
The reading will only be correct if the
vehicle is on level ground and the engine
has been off for more than 30 minutes. The check is carried out either when
the ignition is switched on using the oil levelindicator in the instrument panel, or using the dipstick.
When working under the bonnet, take care, as cer tain areas of the engine may be extremely hot (risk of burns).
It is normal to top up the oil level
between two services. CITROËN recommends that you check the oillevel, and top up if necessary, every 3 000 miles (5 000 kilometres).

239Checks
Additive level (Diesel with
particle emissions filter
)
To p p i ng up
The reser voir must be topped up without delay
by a CITROËN dealer or a qualified workshop.

Used products

Avoid prolonged contact of used oil or fluids with the skin.
Most of these fluids are harmful tohealth or indeed very corrosive.

Do not discard used oil or fluids into sewers or onto the ground.
Take used oil to a CITROËN dealer or a qualified workshop (France) or to anauthorised waste disposal site.
)Open the bonnet and secure it withthe stay. )Open the screenwash reservoir filler cap. )Take and pinch the level gauge to block its breather. )Remove the gauge completely from
the reservoir to read the level in the
transparent section. )Top up if necessary. )Refit the filler cap to the reser voir and close the bonnet.

Specifi cation of the fl uid

To ensure optimum cleaning and to avoid
freezing, the fluid should never be topped up or
replaced by plain water. Accordin
g to your version of instrument panel,
the additive reser voir low level is indicated by:
-fixed illumination of the particle emissions filter warning lamp, accompanied by an audible signal anda message that the particle emissionsfilter additive level is too low,
or

- fix
ed illumination of the servicewarning lamp, accompanied by
an au
dible signal and a message
that the par ticle emissions filter additive level is too low.

Practical information
Model with xenon and directional
headlamps
1.Directional dipped/main beam
headlamps
(D1S-35W).2. Direction indicators (PY21W amber).3.Daytime running lamps (P21/5W XL).4.Sidelamps (LEDs).5.Foglamps (H11- 55W).
Model with halogen headlamps
1.Direction indicators (H21 clear).2.Dipped beam headlamps (H7-55W).
3.Main beam headlamps (H1- 55W).4. Daytime running lamps (P21/5W XL).5.Sidelamps (LEDs).6.Foglamps (H11- 55W).


Access to bulbs

Depending on the engine and only on the left
hand side, you must first carry out the following operations for access to the protective covers on the bulbs.) Remove the air deflector by unclipping each of its three attachment points.)
Unclip the bonnet release cable at its two
fixings. ) Move the cable down.
After changing the failed bulb, remember to
put everything back in place (cable and air
de
flector).

Front lamps

271Practical information














12 V battery
Procedure for starting the engine using another battery or for charging your flat battery.
The battery is located under the bonnet.
For access to the (+) terminal:
) Release the bonnet using the interior lever,
then the exterior safety catch, ) raise the bonnet and secure it with its stay, )
lift the plastic cover for access to the (+)
terminal.
Access to the battery

After refitting the battery, the Stop & Start system will only be active after acontinuous period of immobilisation of the vehicle, a period which depends on the climatic conditions and the state of charge of the battery (up to about 8 hours).
The presence of this label, in particular with the Stop & Star t system, indicatesthe use of a 12 V lead-acid battery withspecial technology and specification;
the involvement of a CITROËN dealer or a qualified workshop is essential when replacing or disconnecting the battery.

Check that the battery posts and terminals are clean. If they are coveredwith sulphate (white or green deposit), disconnect them and clean them.


Batteries contain harmful substancessuch as sulphuric acid and lead. Theymust be disposed of in accordancewith regulations and must not, in any circumstances, be discarded with household waste. Ta k e used cell batteries and vehiclebatteries to an authorised collection point.



Before doing any work
Immobilise the vehicle: apply theparking brake, put the gearbox inneutral *
, then switch off the ignition. Check that all electrical equipment is switched off.


*
or position Pfor an automatic gearbox.

291Technical data

















Identifi cation markings
Various visible markings for the identification of your vehicle.
A.
Vehicle identification number (VIN) under the bonnet. This number is engraved on the bodywork near
the engine mounting.
B. Vehicle identification number on the
dashboard.
This number is indicated on a self-adhesive
label which is visible through the windscreen.
D. Tyre/paint label.This label is affixed to the driver's front pillar.
Wheels which are fitted with 225/40 R18tyres cannot be fitted with snow chains.For more information, contact a CITROËNdealer or a qualified workshop.

Low tyre pressures increase fuelconsumption.

The tyre pressures must be checked when the tyres are cold, at least oncea month. C. Manufacturer's label
.The VIN is indicated on a self-destroying labelaffixed to the driver's centre pillar. It bears the
following information:


- the tyre pressures, for unladen and ladenconditions,

- the wheel rim and tyre sizes,

- the brands of tyre recommended by themanufacturer,

- the spare tyre inflation pressure,

- the paint colour code.

Instruments and controls Instrument panels 38 - 42
Warning lamps 43 -53
Indicators 54-56 Manual test 57 Setting buttons 58 - 61
- trip distance recorder
- lighting dimmer/black panel
- customisation of dials and screens
Stop & Star t 214 -216 Lane departure
warning system 217 Li
ghting controls 124-128
Adjusting headlamps 130
Door mirrors
95-96
Electric windows 115-11 6
Dashboard fuses 2
65-268
Openin
g the bonnet 233

Adjusting the steering wheel 94
Horn 175 Multi
function screens 64- 69 Seat belt and front passenger airbagwarning display screen 182-183
Manual gearbox 203 -204
6 -speed electronic gearbox
system 205-208
Automatic gearbox 209 -212
Parking brake 194-201, 202 Rear view mirror 97
Emergency or
assistance call 175, 295
Cour tesy lamps 138
W iper c ontrols 13 3 -137
Tr i p c o m p u t e r 7 0 -74
Ventilation 7
8-79
Manual air conditioning 80-81, 86
Digital air conditioning 82-86
Demisting/Defrosting
the rear screen 87
Audio s
ystem 349-378 Setting the date/time 372 eMyWay satellite navigation system 297-348 Setting the date/time 339 Interior mood li
ghting 13 9

Hazard warnin
g lamps 174-175 Central locking 107-108
Black panel 60 Memorisin
g speeds 221 Speed limiter 222-223 Cruise control 224-225

385
Visual search
Technical data - Maintenance


Running out of Diesel fuel 234

Checking levels 237-239


- oil

- brake fluid

- coolant

- power steering fluid

- screenwash/headlamp wash fluid
-
additive (Diesel with particle emissions filter)



Changing bulbs 258 -265


- front

- rear


Petrol en
gines 286-287
Diesel engines 288-289
Dimensions 290
Identification markings 291

Bonnet 2
33
Petrol underbonnet 235
Diesel underbonnet 236
Checking components 240 -242
- battery- air filter/passenger compartment filter
- oil filter
- particle emissions filter (Diesel)
- brake pads/discs

Batter
y 271-273
Energy economy mode 274
En
gine compar tment
fuses 266, 269 -270