2015 Citroen C4 air conditioning

87
C4-2_en_Chap04_confort_ed01-2015
C4-2_en_Chap04_confort_ed01-2015
9. "REST" function: ventilation with the engine off
Even with the engine is off, you 
c an operate the ventilation for a
few
 m

inutes.
8. Air intake / Air recirculation
F Press this button for recirculation of   the   interior   air.   The   indicator l

amp   in   the   button   comes   on.
Air
 
recirculation   enables   the   passenger  
c

ompartment   to   be   isolated   from   exterior  
o

dours
 
and
  smoke.
F
a
s s

oon as possible, press this button
again
 
to   permit   the   intake   of   outside   air   and  
p

revent
  the   formation   of   condensation.   The  
i

ndicator   lamp   in   the   button   goes   off.
Avoid
  prolonged   operation   in   interior   air  
r

ecirculation   mode   (risk   of   misting   and  
d

eterioration   of   air   quality). For
  example,   while   you   are   away   from   the  
v

ehicle,   the   passengers   can   still   enjoy   some   air  
c

irculation   without   having   the   engine   running.
This
  function   is   available   after   switching   on   the  
i

gnition,   as   well   as   after   stopping   the   engine.
The period that the function is available
depends
  on   the   state   of   charge   of   the   battery.
You can activate the "REST" function while the
air
  conditioning   control   screens   are   on.On switching on the engine
-
 T he   control   screens   come   on:   the   function  
i

s   available.
-
 
P
ressing   the   REST button activates the
ventilation
  for   a   few   minutes.   Activation   of  
t

he   function   is   confirmed   by   the   display   of  
t

wo dashes in the control screens and four
air
  flow   level   indicator   lamps.
-

T
he function can be deactivated and
reactivated
  if   the   control   screens   are   on.
-
 
T
he   screens   go   off   at   the   end   of   this  
p

eriod.
4
Comfort

88
C4-2_en_Chap04_confort_ed01-2015
C4-2_en_Chap04_confort_ed01-2015
Switching the system off
On stopping the engine
- W hile   the   control   screens   remain   on:   the  
f

unction   is   available.
-
 
P
ressing   the   REST button activates the
ventilation
  for   a   few   minutes.   Activation   of  
t

he   function   is   confirmed   by   the   display   of  
t

wo dashes in the control screens and four
air
  flow   level   indicator   lamps.
 L

ocking   the   vehicle   has   no   effect   on   this  
f

unction.
-
 
T
he   control   screens   go   off   at   the   end   of   this  
p

eriod.
 P

ressing   again   before   the   end   of   the   period  
i

nterrupts   off   the   ventilation   definitively:   the  
c

ontrol   screens   go   off   and   the   function   is  
n

o   longer   available. F

T
urn the air flow control to the
left until all of the indicator
lamps   go   off.
This   action   switches   off   the   air   conditioning   and  
th

e
 v
entilation.
Temperature
  related   comfort   is   no   longer  
a

ssured   but   a   slight   flow   of   air,   due   to   the  
m

ovement   of   the   vehicle,   can   still   be   felt.
F
 
M
odify   the   settings   (temperature,   air   flow  
o

r   air   distribution)   or   press   the   "AUTO"
button
  to   reactivate   the   system   with   the  
v

alues   set   before   it   was   switched   off.
Avoid
  prolonged   operation   in   interior  
a

ir   recirculation   mode   or   driving   for  
l

ong   periods   with   the   system   off   (risk   of  
m

isting   and   deterioration   of   air   quality).
This switch does not operate the air
conditioning,
  only   the   air   fan.
When the "REST" function is activated,
you
  cannot   modify   the   temperature,   air  
f

low   and   distribution   settings:   these   are  
c

ontrolled   automatically   according   to  
t

he
 a
mbient
 t
emperature.
This function is not available in the
STOP
  mode   of   Stop   &   Start.
Comfort

89
C4-2_en_Chap04_confort_ed01-2015
C4-2_en_Chap04_confort_ed01-2015
Front demist - defrost
These markings on the control panel indicate the control positions for rapid demisting or defrosting   of   the   windscreen   and   side   windows.
With manual air
conditioning
F Put  the   temperature,   air   flow   and   distribution c
ontrols   to   the   dedicated   marked   position.
F
 
P
ut   the   air   intake   control   to   the   "Exterior   air  
i

ntake"   position  
 
(

indicator   lamp   on   the   control   off).
F
 
S
witch   on   the   air   conditioning   by   pressing
 t

he "A /C "
 

button;   the   warning   lamp   in   the
 b

utton   comes   on.
With digital dual-zone air
conditioning
Automatic visibility programme
F Select this programme to demist or defrost the windscreen   and   side   windows   as   quickly   as p

ossible.
The
 
system   automatically   manages   the   air
 c

onditioning,   air   flow   and   air   intake,   and   provides
 o

ptimum   distribution   towards   the   windscreen   and
 si

de
 w
indows.
F To   stop   the   programme,   press   either   the "
visibility"  button   again   or   "AUTO", the
warning
  lamp   on   the   button   goes   off   and   the
 w

arning   lamp   on   the   "AUTO" button
comes
  on.
The
  system   starts   again   with   the   values   in   use
 b

efore  
i
t  
w
as  
ov
erridden  
b
y  
t
he  
v
isibility  
p
rogramme.
With Stop & Start, when demisting has been   activated,   the   STOP   mode   is   not  
a

vailable.
With
 
Stop
 
&
 
Start,
 
when
 
the
 
demisting,
 
a

ir
 
conditioning
 
and
 
air
 
flow
 
functions
 
a

re
 
activated,
 
STOP
 
mode
 
is
 
not
 a
vailable.
4
Comfort

90
C4-2_en_Chap04_confort_ed01-2015
C4-2_en_Chap04_confort_ed01-2015
Rear screen demist - defrost
The control button is located on the air conditioning system control panel.
Switching on
The rear screen demisting/defrosting can only operate   when   the   engine   is   running.
F
 
P
ress   this   button   to   demist /defrost   the  
r

ear   screen   and   (depending   on   version)  
t

he   door   mirrors.   The   indicator   lamp  
a

ssociated   with   the   button   comes   on.
Switching off
The demisting/defrosting switches off automatically to   prevent   an   excessive   consumption   of   current.
F It  is   possible   to   stop   the   demisting/defrosting o
peration   before   it   is   switched   off   automatically b

y   pressing   the   button   again.   The   indicator
 l

amp   associated   with   the   button   goes   off.
F Switch  off   the   demisting/defrosting  o
f   the   rear   screen   and   door   mirrors  
a

s soon as appropriate, as lower
current
  consumption   results   in  
r

educed
 f
uel
 c
onsumption.
Comfort

106
C4-2_en_Chap05_amenagement_ed01-2015
C4-2_en_Chap05_amenagement_ed01-2015
Large multifunctional
storage unit
It is illuminated only when the sliding shutter   is   fully   open.
The
  sliding   shutter   can   be   partly  
c

losed up to the level of the retractable
support,
  so   as   to   keep   the   storage  
s

pace   cool.
This
 
storage
 
unit
 
is
 
closed
 
by
 
a
 
sliding
 
shutter.
It
 
contains:
-
 
t

he
 
USB
 
port
 
and
 
12
 
V
 
/
 
auxiliary
 
sockets
 
1 ,
-

a r

etractable support 2
 
to
 
receive
 
a
 
mobile
 
pho

ne or portable device,
-

a s

pace ventilated by a closeable
nozzle 3 ,
 
to
 
keep
 
food
 
and
 
drinks
 
fresh
 
i

f
 
the
 
automatic
 
digital
 
air
 
conditioning
 
is
 
ope

rating.
Fittings

219
C4-2_en_Chap10_verification_ed01-2015
C4-2_en_Chap10_verification_ed01-2015
Checks
Particle filter (Diesel)
- fixed  illumination   of   the   particle  f
ilter   warning   lamp,   accompanied  
b

y   an   audible   signal   and   a  
m

essage   that   there   is   a   risk   of  
b

lockage   of   the   particle   filter.
The presence of this label, in particular with
the
 
Stop
 
&
 
Start
 
system,
 
indicates
 
the
 
use
 
of
 
a s

pecific 12 V lead-acid battery with special
technology
 
and
 
specification.
 
The
 
involvement
 
o

f
 
a
 
CITROËN
 
dealer
 
or
 
a
 
qualified
 
workshop
 
i

s
 
essential
 
when
 
replacing
 
or
 
disconnecting
 
t

he
 
battery. As
 
soon
 
as   the   traffic   conditions   permit,  
r

egenerate   the   filter   by   driving   at   a   speed   of   at  
l

east
 
40
 
mph   (60   km/h)   until   the   warning   lamp  
g

oes
 
off.
If
 
the
 
warning   lamp   stays   on,   refer   to   the  
"

Additive
 
level"   section.
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.
Air filter and passenger compartment filter
Refer to the manufacturer's s
ervice schedule for details of the
replacement
  intervals   for   these  
c

omponents.
Oil filter
Replace the oil filter each time the e ngine   oil   is   changed.
Refer
  to   the   manufacturer's  
s

ervice schedule for details of
the
  replacement   interval   for   this  
c

omponent.
12 V battery
The battery does not require any maintenance.
H owever,   check   that   the   terminals   are   clean a

nd   correctly   tightened,   particularly   in   summer
 a

nd   winter.
When carrying out work on the battery, refer to the "12 V battery" section for details of the
precautions
  to   be   taken   before   disconnecting  
t

he   battery   and   following   its   reconnection.Depending
  on   the   environment   (e.g.   dusty  a
tmosphere)   and   the   use   of   the   vehicle  
(e.g.
  city   driving),   replace them twice as often
if necessary .
A
  clogged   passenger   compartment   filter   may  
h

ave   an   adverse   effect   on   the   per formance  
o

f   the   air   conditioning   system   and   generate  
u

ndesirable
 o
dours.The start of saturation of the particle filter is
indicated
  by:
on a n

ew vehicle, the first operations of
regeneration
  of   the   particle   filter   may   be  
a

ccompanied   by   the   smell   of   "burning",  
w

hich   is   per fectly   normal.
Following
  prolonged   operation   of   the  
v

ehicle at very low speed or at idle,
you
  may,   in   exceptional   circumstances,  
n

otice   the   emission   of   water   vapour   at  
t

he   exhaust   on   acceleration.   This   does  
n

ot affect the behaviour of the vehicle
or
  the   environment.
10
Checks

260
C4-2_en_Chap11_info-pratique_ed01-2015
C4-2_en_Chap11_info-pratique_ed01-2015
Load reduction modeE nergy ec onomy m ode
Switching to economy mode
Once this period has elapsed, a message a
ppears   in   the   screen   indicating   that   the  
v

ehicle   has   switched   to   economy   mode   and   the  
a

ctive   functions   are   put   on   standby.
Exiting economy mode
These functions are reactivated automatically the   next   time   the   vehicle   is   driven.
F
 
I
n   order   to   resume   the   use   of   these   functions
 i

mmediately,   start   the   engine   and   let   it   run   for   a
 f

ew
 m
inutes.
The
  time   available   to   you   will   then   be   double  
t

he   period   for   which   the   engine   is   left   running.  
H

owever, this period will always be between
five
  and   thirty   minutes.
System
 
which
 
manages
 
the
 
use
 
of
 
certain
 
f

unctions
 
according
 
to
 
the
 
level
 
of
 
charge
 
r

emaining
 
in
 
the
 
battery.
When
 
the
 
vehicle
 
is
 
being
 
driven,
 
the
 
load
 
r

eduction
 
function
 
temporarily
 
deactivates
 
c

ertain
 
functions,
 
such
 
as
 
the
 
air
 
conditioning,
 
t

he
 
heated
 
rear
 
screen...
The deactivated functions are reactivated
automatically
 
as
 
soon
 
as
 
conditions
 
permit. System
 
which
 
manages
 
the
 
period
 
of
 
use
 
of
 
certain
  functions   to   conserve   a   sufficient   level   of  
c

harge
 
in
 
the
 
battery.
After
 
the
 
engine
 
has
 
stopped,
 
you
 
can
 
still
 
use
 
functions   such   as   the   audio   equipment,   windscreen  
w

ipers,
 
dipped
 
beam
 
headlamps,
 
courtesy
 
lamps,
 
etc.   for
 a m
aximum
 c
ombined
 p
eriod
 o
f
 t
hirty  
m

inutes.
A  flat   battery   prevents   the   engine   from  
s

tarting   (refer   to   the   corresponding  
par

agraph).
This
 
period
 
may
 
be
 
greatly
 
reduced
 
if
 
t

he
 
battery
 
is
 
not
 
fully
 
charged.
If
 
the
 
telephone
 
is
 
being
 
used
 
at
 
the
 
s

ame
 
time
 
on
 
the
 
navigation
 
system,
 i

t
 
w

ill
 
be
 
interrupted
 
after
 
1

0
 m

inutes.
Practical information