2011.5 Citroen C5 RHD air filter

III
50
COMFORT

Air conditioning

We recommend use of the automatic
regulation of the air conditioning.
It permits automatic and optimised
control of all of the following functions:
air fl ow, temperature in the passenger
compartment and air distribution, by
means of various sensors (ambient
temperature, sunshine). This elimi-
nates any need for you to change
your settings other than the tempera-
ture value displayed.


)
Take care not to cover the sun-
shine sensor A
.
If you select the automatic mode
(by pressing the "AUTO" control)
and leave all of the vents open, opti-
mum comfort will be maintained and
humidity and condensation will be
removed regardless of the exterior
climatic conditions.
The temperature in the passenger
compartment can only be lower than
the ambient temperature if the air
conditioning is on.














HEATING, VENTILATION
AND AIR CONDITIONING
RECOMMENDATIONS In order to be effective, the air
conditioning must be used with the
windows closed. If the vehicle has
been parked in the sun for a long
period and the interior tempera-
ture is very high, fi rst ventilate the
passenger compartment with the
windows open for a few minutes,
then close the windows.
To keep the air conditioning system
in good working order it is essential
that it is operated at least once a
month.
The air conditioning uses engine
power during its operation. As a
result, the fuel consumption of the
vehicle increases.
In certain cases of particularly ardu-
ous use (e.g. towing the maximum
load on a steep gradient in high
temperatures), switching off the air
conditioning saves engine power
and improves the towing capacity.


Air inlet

Check that the exterior grille for the
air inlet, at the bottom of the wind-
screen, is clean and free of dead
leaves, snow, etc.
When washing the vehicle using a
high pressure nozzle, avoid spraying
at the air inlet.


Air circulation

Maximum comfort is obtained by
means of a good distribution of air in
the passenger compartment, both in
the front and in the rear.
To obtain a uniform distribution of
air, take care not to block the ex-
terior air intake grille located at the
base of the windscreen, the vents,
the air outlets under the front seats
and the air extractor located behind
the fl aps in the boot.
The front and rear vents are fi tted
with thumbwheels to adjust the air
fl ow and direction. We recommend
that you leave all of the vents open.


Dust filter/Odour filter
(active carbon)
There is a fi lter for excluding odours
and dust.
This fi lter must be changed in line
with the vehicle’s servicing schedule
(see the vehicle’s servicing booklet).

X!
170
CHECKS

HDi 160 - HDi 200 engines
(with particle emissions filter)



1.
Screenwash and headlamp wash
reservoir.

2.
Power steering and suspension
fl uid reservoir.

3.
Engine coolant header tank.

4.
Engine oil dipstick.

5.
Engine oil fi ller cap.

6.
Air fi lter.

7.
Brake fl uid reservoir.

8.
Battery.

As the Diesel fuel system ope-
rates under high pressure:


- All work on the fuel system is
prohibited.

- HDi engines make use of ad-
vanced technology.
All maintenance and repairs require
special qualifi cations which only a
CITROËN dealer can guarantee.
HDi 160


HDi 200

X!
171
CHECKS

V6 HDi 240 engine (with
particle emissions filter)


V6 HDi 240


1.
Screenwash and headlamp wash
reservoir.

2.
Power steering and suspension
fl uid reservoir.

3.
Engine coolant header tank.

4.
Engine oil dipstick.

5.
Engine oil fi ller cap.

6.
Air fi lter.

7.
Brake fl uid reservoir.

8.
"+" and "-" terminals for emergency
starting with a slave battery.

As the Diesel fuel system ope-
rates under high pressure:


- All work on the fuel system is
prohibited.

- HDi engines make use of ad-
vanced technology.
All maintenance and repairs require
special qualifi cations which only a
CITROËN dealer can guarantee.

X
174
CHECKS





























CHECKS

Unless otherwise indicated, check
these components in accordance with
the servicing booklet and according to
your engine.
Otherwise, have them checked by a CITROËN dealer or a qualifi ed workshop.


Battery

The battery does not re-
quire any maintenance.
However, check that the
terminals are clean and
correctly tightened, particu-
larly in summer and winter.
When carrying out work on the battery,
refer to the "Practical information" sec-
tion for details of the precautions to be
taken before disconnecting the battery
and following its reconnection.


Air filter and passenger compartment filter

Refer to the servicing
booklet for details of the
replacement intervals for
these components.
Depending on the environ-
ment (e.g. dusty atmosphere) and
the use of the vehicle (e.g. city driv-
ing), replace them twice as often
if necessary
(refer to the "Engines"
section).
A clogged passenger compartment
fi lter may have an adverse effect on
the performance of the air condition-
ing system and generate undesirable
odours.


Oil filter

Replace the oil fi lter each
time the engine oil is
changed.






Particle filter system (Diesel)

Complementary to the catalytic con-
verter, this fi lter makes an active
contribution to the preservation of air
quality by the retaining of the unburnt
pollutant particles. Black exhaust
fumes are thus no longer emitted.

After prolonged idling or driving at very
low speeds, you may occasionally no-
tice water vapour being emitted from
the exhaust when accelerating. This is
of no consequence to the running of
the vehicle or to the environment.
If there is risk of blockage, a mes-
sage appears in the instrument
panel screen, accompanied by an
audible signal and illumination of
the service warning lamp.
This alert tells you that the particle
fi lter is starting to fi ll up (in condi-
tions of urban driving of exception-
ally long duration: low speeds, traffi c
jams etc.)
To regenerate the fi lter, it is advised
to drive as soon as possible, when
traffi c conditions permit, at a speed
of 40 mph (around 60 km/h) or
more for at least fi ve minutes (until
the alert message disappears).
If this alert persists, consult a
CITROËN dealer or a qualifi ed
workshop. Refer to the servicing booklet for de-
tails of the replacement interval for
this component.






The presence of this label, in par-
ticular with the Stop & Start system,
indicates the use of a specifi c 12 V
lead-acid battery with special tech-
nology and specifi cation, for which
the involvement of a CITROËN
dealer or a qualifi ed workshop is
required when replacing or discon-
necting the battery.
Failure to observe this recommenda-
tion may shorten the life of the battery.