2011 Citroen DS4 air filter

35

Limit the causes of excess
consumption

Spread loads throughout the vehicle; place the
heaviest items in the bottom of the boot, as
close as possible to the rear seats.
Limit the loads carried in the vehicle and
reduce wind resistance (roof bars, roof rack,
bicycle carrier, trailer...). Use a roof box in
preference.
Remove roof bars and roof racks after use.

At the end of winter, remove snow tyres and
refit your summer tyres.



Observe the recommendations
on maintenance

Check the tyre pressures regularly, when
cold, referring to the label in the door
aperture, driver's side.
Carry out this check in par ticular:


- before a long journey,

- at each change of season,

- after a long period out of use.
Don't forget the spare wheel and the tyres on
any trailer or caravan.

Have your vehicle ser viced regularly (engine
oil, oil filter, air filter...) and obser ve the
schedule of operations recommended by the
manufacturer.



When refuelling, do not continue after
the 3 rd cut-off of the nozzle to avoid any
over flow.

At the wheel of your new vehicle, it is only
after the first 1 800 miles (3 000 kilometres)
that you will see the fuel consumption settle
down to a consistent average.

Switch off the headlamps and front foglamps
when the level of light does not require their
use.

Avoid running the engine before moving off,
particularly in winter; your vehicle will warm
up much faster while driving.

As a passenger, if you avoid connecting
your multimedia devices (film, music, video
game...), you will contribute towards limiting
the consumption of electrical energy, and so
of fuel.
Disconnect your portable devices before
leaving the vehicle.

Familiarisation

Vent ilat ion


Air intake

The air circulating in the passenger compar tment
is filtered and originates either from the outside
via the grille located at the base of the windscreen
or from the inside in air recirculation mode.


Air treatment

The incoming air follows various routes
depending on the controls selected by the
driver:


- direct arrival in the passenger compartment
(air int ake),

- passage through a heating circuit (heating),

- passage through a cooling circuit (air
conditioning).



Control panel

The controls of this system are grouped
together on control panel A
on the centre
console.


Air distribution



1.
Windscreen demisting-defrosting vents.

2.
Front side window demisting-defrosting
vents.

3.
Side adjustable air vents.
4.
Central adjustable air vents.

5.
Air outlets to the front footwells.

6.
Air nozzles to the front footwells.

7.
Air outlets to the rear footwells.

79Comfort










Recommendations for ventilation and air conditioning


If after an extended stop in sunshine,
the interior temperature is very
high, first ventilate the passenger
compartment for a few moments.
Put the air flow control at a setting high
enough to quickly change the air in
the passenger compar tment.
The air conditioning system does not
contain chlorine and does not present
any danger to the ozone layer. In order for these systems to be fully effective, follow the operation and maintenance
guidelines below:


)
To obtain an even air distribution, take care not to obstruct the exterior air intake grilles
located at the base of the windscreen, the nozzles, the vents and the air outlets, as well
as the air extractor located in the boot.

)
Do not cover the sunshine sensor, located on the dashboard; this is used for regulation
of the digital air conditioning system.

)
Operate the air conditioning system for at least 5 to 10 minutes, once or twice a month
to keep it in per fect working order.

)
Ensure that the passenger compartment filter is in good condition and have the filter
elements replaced regularly (refer to the "Checks" section).
We recommend the use of a combined passenger compartment filter. Thanks to its
special active additive, it contributes to the purification of the air breathed by the
occupants and the cleanliness of the passenger compartment (reduction of allergic
symptoms, bad odours and greasy deposits).

)
To ensure correct operation of the air conditioning system, you are also advised to have
it checked regularly as recommended in the Maintenance and Warranty Guide.

)
If the system does not produce cold air, switch it off and contact a CITROËN dealer or a
qualified workshop.
When towing the maximum load on a steep gradient in high temperatures, switching off the
air conditioning increases the available engine power and so improves the towing ability.
The condensation created by the air
conditioning results in a discharge
of water under the vehicle which is
per fectly normal.




Stop & Start

The heating and air conditioning systems only work when the engine is running. To maintain
a comfortable temperature in the passenger compartment, you can temporarily deactivate
the Stop & Star t system (see "Driving").

233Checks














Petrol engines

The various caps and covers allow access for
checking the levels of the various fluids and for
replacing cer tain components.


1.
Power steering reservoir.

2.
Screenwash and headlamp wash reser voir.

3.
Coolant reser voir.

4.
Brake fluid reser voir.

5.
Battery/Fuses.

6.
Fusebox.

7.
Air filter.

8.
Engine oil dipstick.

9.
Engine oil filler cap.

Diesel engines

The various caps and covers allow access for
checking the levels of the various fluids, for
replacing cer tain components and for priming
the fuel system.


1.
Power steering reservoir.

2.
Screenwash and headlamp wash reser voir.

3.
Coolant reser voir.

4.
Brake fluid reser voir.

5.
Battery/Fuses.

6.
Fusebox.

7.
Air filter.

8.
Engine oil dipstick.

9.
Engine oil filler cap.

10.
Priming pump * .

11.
Bleed screw * .

*
According to engine.

Checks


Battery

Air filter and passenger compartment filter


Oil filter

Unless other wise indicated, check these components in accordance with the ser vicing booklet and according to your engine.
Other wise, have them checked by a CITROËN dealer or a qualified workshop.
The battery does not require any
maintenance.
However, check that the terminals
are clean and correctly tightened,
particularly in summer and winter.
When carrying out work on the battery, refer
to the "Practical information" section for
details of the precautions to be taken before
disconnecting the battery and following its
reconnection. Refer to the servicing booklet for
details of the replacement inter vals
for these components.
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
(refer to the "Engines" section).
A clogged passenger compar tment filter may
have an adverse effect on the per formance
of the air conditioning system and generate
undesirable odours.
Replace the oil filter each time
the engine oil is changed.
Refer to the servicing booklet for
details of the replacement inter val for
this component.





The presence of this label, in particular with
the Stop & Star t system, indicates the use of
a specific 12 V lead-acid battery with special
technology and specification, for which the
involvement of a CITROËN dealer or a qualified
workshop is required when replacing or
disconnecting the battery.
Failure to obser ve this recommendation may
shor ten the life of the battery.

383Visual search
Technical data - Maintenance


Running out of Diesel fuel 232

Checking levels 235-237


- oil

- brake fluid

- coolant

- power steering fluid

- screenwash/headlamp wash fluid

-
additive (Diesel with par ticle emissions filter)



Changing bulbs 256 -263


- front

- rear

Petrol engines 282-283
Diesel engines 284-285
Dimensions 286
Identification markings 287

Bonnet 231
Petrol underbonnet 233
Diesel underbonnet 234
Checking components 238-240


- battery

- air filter/passenger compartment filter

- oil filter

- par ticle emissions filter (Diesel)

- brake pads/discs


Battery 269 -271
Energy economy mode 272

Engine compartment
fuses 264, 267-268

A
ABS and EBFD systems ............................. 176
Accessories ................................................ 278
Accessory socket, 12 V ...... 144, 145, 149, 155
Adjusting headlamps .................................. 128
Adjusting head restraints .............................. 90
Adjusting seat belt height ............................ 179
Adjusting the steering wheel ......................... 94
Airbags, cur tain ................................... 187, 188
Airbags, front ....................................... 184, 188
Airbags, lateral .................................... 186, 188
Air conditioning ............................................ 34
Air conditioning, digital ............................ 79, 82
Air conditioning, manual ......................... 79, 80
Air filter ........................................................ 238
Air flow ......................................................... 34
Air vents ........................................................ 78
Alarm ........................................................... 109
Anti-lock braking system (ABS) .................. 176
Anti-pinch .................................................... 116
Anti-theft...................................................... 103
Armrest, front ...................................... 147, 148
Armrest, rear ............................................... 152
Ashtray, portable ......................................... 143
Assistance call .................................... 173, 292
Audible warning .......................................... 173
Audio streaming (Bluetooth) ...............332, 358
Audio system ................................. 62, 345 -376
Automatic illumination of headlamps ...... 123, 126
Automatic operation
of hazard warning lamps .......................... 173
Automatic rain sensitive
windscreen wipers ............................ 131, 132
Auxiliary sockets .........................144, 333, 357Battery .................................................238, 269
Battery, charging ......................................... 270
Battery, remote control .......................105, 106
Black panel .................................................... 58
Blind spot sensors....................................... 216
Bluetooth (hands-free) ........................ 316, 359
Bluetooth (telephone) .......................... 316, 359
Bonnet ......................................................... 231
Bonnet stay ................................................. 231
Boot ............................................................. 114
Boot lamp ............................................ 138, 155
Brake discs .................................................. 240
Brake lamps ................................................ 261
Brake pads .................................................. 240
Brakes ......................................................... 240
Braking assistance system ......................... 177
Capacity, fuel tank ...................................... 117
CD .......................................................329, 352
CD MP3 ...............................................329, 353
Central locking .................................... 102, 107
Centre console ............................................ 145
Changing a bulb .................................. 256 -263
Changing a fuse .................................. 263 -268
Changing a wheel ............................... 249 -255
Changing a wiper blade ...................... 134, 273
Changing the date .............................. 335, 369
Changing the remote control battery .......... 105Changing the time .............................. 335, 369
CHECK ....................................................39, 55
Checking levels ................................... 235 -237
Checking the engine oil level ................52, 235
Checking tyre pressures (using the kit) ...... 246
Checks ................................................ 233 -240
Child lock ..................................................... 169
Children ................................158 -169, 182, 185
Child seats ...........................................160 -168
Child seats, conventional ............................ 163
Cigarette lighter ........................................... 144
Closing the boot .................................. 102, 114
Closing the doors ................................ 102, 112
Cold climate screen .................................... 273
Connectors, audio .............. 144, 333, 355, 357
Coolant level ...............................................236
Cour tesy lamps ................................... 127, 136
Cruise control ...................................... 219, 222
Cup holder ................................................... 145
C B
Date (display) ..................................... 335, 369
Daytime running lamps ............... 123, 257, 259
Deactivating the passenger airbag ............. 185
Defrosting ................................................ 86, 87
Diesel additive level .................................... 237
Dimensions ................................................. 286
Dipped beam ............................... 122, 257, 258
Dipstick ..................................................52, 235
D