Citroen C4 RHD 2015 2.G Owners Manual

89
Ventilation / Heating
Air intake
The air circulating in the passenger compartment i s f iltered a nd o riginates e ither fr

om
 t
he
 o
utside
 v
ia
 t
he
 g
rille
 l
ocated
 a
t
 t
he
 ba

se
 o
f
 t
he
 w
indscreen
 o
r
 f
rom
 t
he
 i
nside
 i
n
 a
ir
 rec

irculation
 mo
de.
Air treatment
The incoming air follows various routes depending o n t he c ontrols s elected b y t he dr

iver:
-
 di

rect
 a
rrival
 i
n
 t
he
 p
assenger
 co

mpartment
 (
air
 i
ntake),
-
 pa

ssage
 t
hrough
 a h
eating
 c
ircuit
 (
heating),
-
 pa

ssage
 t
hrough
 a c
ooling
 c
ircuit
 (
air
 co

nditioning).
Control panel
The controls of this system are grouped together o n c ontrol p anel A on the centre
console.
Air distribution
1. Windscreen dem isting-defrosting ven ts.
2. Fr ont s ide w indow d emisting-defrosting ven

ts.
3.
 Si

de
 a
djustable
 a
ir
 v
ents.
4.
 Ce

ntral
 a
djustable
 a
ir
 v
ents.
5.
 Ai

r
 o
utlets
 t
o
 t
he
 f
ront
 f
ootwells.
6.
 Ai

r
 n
ozzles
 t
o
 t
he
 f
ront
 f
ootwells.
7.
 Ai

r
 o
utlets
 t
o
 t
he
 r
ear
 f
ootwells.
3
Ease of use and comfort

90
Stop & Start
The heating and air conditioning systems o nly w ork w hen t he e ngine i s ru

nning.
To
 m

aintain
 a c
omfortable
 t
emperature
 in t

he
 p
assenger
 c
ompartment,
 y
ou
 c
an
 te

mporarily
 d
eactivate
 t
he
 S
top
 & S
tart
 sy

stem.
For
 m

ore
 i
nformation
 o
n
 S
top
 & S
tart,
 re

fer
 t
o
 t
he
 c
orresponding
 s
ection.
In
 o

rder
 f

or
 t

hese
 s

ystems
 t

o
 b

e
 f

ully
 e

ffective,
 f

ollow
 t

he
 o

peration
 a

nd
 m

aintenance
 gu

idelines
 below

:
F
 To o

btain
 a

n
 e

ven
 a

ir
 d

istribution,
 t

ake
 c

are
 n

ot
 t

o
 o

bstruct
 t

he
 e

xterior
 a

ir
 i

ntake
 g

rilles
 lo

cated
 a

t
 t

he
 b

ase
 o

f
 t

he
 w

indscreen,
 t

he
 n

ozzles,
 t

he
 v

ents
 a

nd
 t

he
 a

ir
 o

utlets,
 a

s
 w

ell
 as t

he
 a

ir
 e

xtractor
 l

ocated
 i

n
 t

he
 b

oot.
F
 Do n

ot
 c

over
 t

he
 s

unshine
 s

ensor,
 l

ocated
 o

n
 t

he
 d

ashboard;
 t

his
 i

s
 u

sed
 f

or
 r

egulation
 of t

he
 a

ir
 c

onditioning
 s

ystem.
F
 Op

erate
 t

he
 a

ir
 c

onditioning
 s

ystem
 f

or
 a

t
 l

east
 5 t

o
 1

0
 m

inutes,
 o

nce
 o

r
 t

wice
 a m

onth
 to k

eep
 i

t
 i

n
 p

er fect
 w

orking
 o

rder.
F
 En

sure
 t

hat
 t

he
 p

assenger
 c

ompartment
 f

ilter
 i

s
 i

n
 g

ood
 c

ondition
 a

nd
 h

ave
 t

he
 f

ilter
 el

ements
 r

eplaced
 r

egularly.
  We r

ecommend
 t

he
 u

se
 o

f
 a c

ombined
 p

assenger
 c

ompartment
 f

ilter.
 T

hanks
 t

o
 i

ts
 sp

ecial
 a

ctive
 a

dditive,
 i

t
 c

ontributes
 t

o
 t

he
 p

urification
 o

f
 t

he
 a

ir
 b

reathed
 b

y
 t

he
 oc

cupants
 a

nd
 t

he
 c

leanliness
 o

f
 t

he
 p

assenger
 c

ompartment
 (

reduction
 o

f
 a

llergic
 sy

mptoms,
 b

ad
 o

dours
 a

nd
 g

reasy
 d

eposits).
F
 To e

nsure
 c

orrect
 o

peration
 o

f
 t

he
 a

ir
 c

onditioning
 s

ystem,
 y

ou
 a

re
 a

lso
 a

dvised
 t

o
 h

ave
 it c

hecked
 r

egularly
 a

s
 r

ecommended
 i

n
 t

he
 m

aintenance
 a

nd
 w

arranty
 g

uide.
F
 If t

he
 s

ystem
 d

oes
 n

ot
 p

roduce
 c

old
 a

ir,
 s

witch
 i

t
 o

ff
 a

nd
 c

ontact
 a C

ITROËN
 d

ealer
 o

r
 a qu

alified
 wo

rkshop.
When t
owing t
he m
aximum l
oad o
n a s
teep g
radient i
n h
igh t
emperatures, s
witching o
ff t
he ai
r c
onditioning i
ncreases t
he a
vailable e
ngine p
ower a
nd s
o i
mproves t
he t
owing a
bility. The
 c

ondensation
 c
reated
 b
y
 t
he
 a
ir
 co

nditioning
 r
esults
 i
n
 a d
ischarge
 of w

ater
 u
nder
 t
he
 v
ehicle
 w
hich
 i
s
 pe

r fectly
 n
ormal.
If
 a
fter
 a
n
 e
xtended
 s
top
 i
n
 s
unshine,
 th

e
 i
nterior
 t
emperature
 i
s
 v
ery
 hi

gh,
 f
irst
 v
entilate
 t
he
 p
assenger
 co

mpartment
 f
or
 a f
ew
 m
oments.
Put
 t
he
 a
ir
 f
low
 c
ontrol
 a
t
 a s
etting
 h
igh
 en

ough
 t
o
 q
uickly
 c
hange
 t
he
 a
ir
 i
n
 t
he
 pa

ssenger
 co
mpartment.
The
 a
ir
 c
onditioning
 s
ystem
 d
oes
 n
ot
 co

ntain
 c
hlorine
 a
nd
 d
oes
 n
ot
 p
resent
 an

y
 d
anger
 t
o
 t
he
 o
zone
 l
ayer.
Recommendations for ventilation and air conditioning
Ease of use and comfort

91
Advice
Digital air conditioning: use t he a utomatic m ode i n p reference b y p ressing t he "A UTO" b utton.
I require...
Heating or Manual air conditioning
Air distribution Air flowRecirculation of interior air /
Intake of exterior air Temperature Manual AC
HOT
COLD
DEMISTING
DEFROSTING
Interior settings
3
Ease of use and comfort

92
Manual air conditioning
The air conditioning system operates only with the engine running.
F
 Tu
rn
 t
he
 d
ial
 t
o
 s
elect
 a po

sition
 b
etween
 b
lue
 (
cold)
 an

d
 r
ed
 (
hot)
 s
o
 a
s
 t
o
 a
djust
 th

e
 t
emperature
 t
o
 y
our
 re

quirements.
1. Temperature adjustment
This dial is used to increase or decrease t he s peed o f t he a ir bo

oster
 f
an.
2. Air flow adjustment 3. Air distribution adjustment
Windscreen and side windows.
Wi ndscreen,
 s
ide
 w
indows
 a
nd
 fo

otwells.
Footwells.
Central
 a

nd
 s
ide
 v
ents.
The
 a

ir
 d
istribution
 c
an
 b
e
 ad

apted
 b
y
 p
lacing
 t
he
 d
ial
 i
n
 a
n
 in

termediate
 po
sition.
F Tu
rn t
he d
ial f
rom p
osition 1
to position 5 to
obtain
 a c

omfortable
 a

ir
 f

low. This
 d

ial
 i

s
 u
sed
 t
o
 a
rrange
 t
he
 d
istribution
 o
f
 ai

r
 i

n
 t

he
 p

assenger
 c
ompartment
 by c
ombining
 se

veral
 a

ir
 o
utlets.
F
If y

ou place the air flow control
in position 0 ,
 t

he
 s

ystem
 i

s
 de

activated.
 H

owever,
 a s

light
 f

low
 of a

ir,
 d

ue
 t

o
 t

he
 m

ovement
 o

f
 t

he
 ve

hicle,
 c

an
 s

till
 b

e
 f

elt.
Avoid
 d

riving
 t

oo
 l

ong
 w

ith
 t

he
 ve

ntilation
 o

ff
 (

risk
 o

f
 m

isting
 a

nd
 de

terioration
 o

f
 a

ir
 q

uality).
Ease of use and comfort

93
4. Air intake / Air recirculation 5. Air conditioning On / Off
The air conditioning is designed to operate effectively in all seasons,
with
 t

he
 w
indows
 c
losed.
It
 e

nables
 y

ou
 t
o:
-
 lo

wer
 t

he
 t
emperature,
 i
n
 s
ummer,
-
 in

crease
 t
he
 e
ffectiveness
 o
f
 t
he
 d
emisting
 in w

inter,
 a
bove
 3 °
C.Switching on
F Press the "A /C " b utton, t he b utton's in
dicator l amp c omes o n.
Switching off
F Press the "A /C " button a gain, t he b utton's in
dicator l amp g oes o ff.
Switching
 o

ff
 m
ay
 a
ffect
 c
omfort
 l
evels
 (h

umidity,
 co
ndensation).
The
 i

ntake
 o

f
 e

xterior
 a

ir
 p

revents
 t

he
 f

ormation
 of m

ist
 o

n
 t

he
 w

indscreen
 a

nd
 s

ide
 w

indows.
The recirculation of interior air isolates the
passenger
 c

ompartment
 f

rom
 e

xterior
 o

dours
 an

d
 s

moke.
F Pr
ess the button to recirculate
the i
nterior a
ir. T
he i
ndicator la

mp
 c

omes
 o

n
 t

o
 c

onfirm
 t

his.
F
 Pr

ess
 t

he
 b

utton
 a

gain
 t

o
 p

ermit
 t

he
 i

ntake
 of e

xterior
 a

ir.
 T

he
 i

ndicator
 l

amp
 g

oes
 o

ff
 to c

onfirm
 t

his.
Return
 t

o
 e

xterior
 a

ir
 i

ntake
 a

s
 s

oon
 a

s
 p

ossible
 to p

revent
 d

eterioration
 o

f
 t

he
 t

he
 a

ir
 q

uality
 an

d
 t

he
 f

ormation
 o

f
 m

ist.
This
 f

unction
 a

llows
 h

ot
 o

r
 c

old
 a

ir
 t

o
 b

e
 de

livered
 s

electively
 a

nd
 m

ore
 q

uickly.
The
 a
ir
 c
onditioning
 d
oes
 n
ot
 o
perate
 wh

en
 t
he
 a
ir
 f
low
 a
djustment
 c
ontrol
 2

is in position " 0".
To
 o
btain
 c
ooled
 a
ir
 m
ore
 q
uickly,
 y
ou
 ca

n use recirculation of interior air for a
few
 m
oments.
 T
hen
 r
eturn
 t
o
 f
resh
 a
ir
 in

take.
3
Ease of use and comfort

94
Dual-zone digital air co nditioning
Automatic operation
We recommend the use of one of th
e t hree A UTO m odes a vailable: th

ey
 p
rovide
 o
ptimised
 r
egulation
 o
f
 th

e
 t
emperature
 i
n
 t
he
  p
assenger
 co

mpartment
 a
ccording
 t
o
 t
he
 co

mfort
 v
alue
 t
hat
 y
ou
 h
ave
 ch

osen. F
Pr

ess the "AUTO"
 b
utton
 r
epeatedly:
-
 a f

irst
 i
ndicator
 l
amp
 c
omes
 o
n;
 t
he
 "l

ight"
 s
etting
 m
ode
 i
s
 s
elected,
-
 a s

econd
 i
ndicator
 l
amp
 c
omes
 o
n;
 t
he
 "m

edium"
 s
etting
 m
ode
 i
s
 s
elected,
-
 a t

hird
 i
ndicator
 l
amp
 c
omes
 o
n;
 t
he
 "i

ntense"
 m
ode
 s
etting
 i
s
 s
elected.
The
 a

ir
 c

onditioning
 s
ystem
 o
perates
 w
hen
 t
he
 e
ngine
 i
s
 r
unning.
1. Automatic comfort programme
This system is designed to operate effectively in a
ll s easons, w ith t he w indows c losed.When
 t

he
 e
ngine
 i
s
 c
old,
 t
he
 a
ir
 f
low
 w
ill
 re

ach
 i
ts
 o
ptimum
 l
evel
 p
rogressively,
 ta

king
 a
ccount
 o
f
 t
he
 w
eather
 a
nd
 t
he
 de

sired
 c
omfort
 l
evel
 s
o
 a
s
 t
o
 a
void
 t
oo
 gr

eat
 a d
istribution
 o
f
 c
old
 a
ir.
On
 e
ntering
 t
he
 v
ehicle,
 i
f
 t
he
 i
nterior
 te

mperature
 i
s
 m
uch
 c
older
 o
r
 w
armer
 th

an
 t
he
 c
omfort
 v
alue,
 t
here
 i
s
 n
o
 ne

ed
 t
o
 c
hange
 t
he
 v
alue
 d
isplayed
 i
n
 or

der
 t
o
 o
btain
 t
he
 c
omfort
 r
equired.
 Th

e
 s
ystem
 c
orrects
 t
he
 d
ifference
 in t

emperature
 a
utomatically
 a
nd
 a
s
 qu

ickly
 a
s
 p
ossible.
These
 t

hree
 m

odes
 a

utomatically
 a

djust
 t

he
 ai

r
 f

low,
 a

ccording
 t

o
 t

he
 d

esired
 s

etting,
 w

hile
 al

so
 m

aintaining
 t

he
 d

esired
 c

omfort
 v

alue.
Ease of use and comfort

95
For more information on the automatic v isibility p rogramme, re

fer
 t
o
 t
he
 "
Front
 d
emisting
 - de

frosting"
 sec
tion.
4. Automatic visibility
programmeIf you wish, you can make a different choice fr
om t hat o ffered b y t he s ystem b y c hanging a s

etting.
 T
he
 t
he
 "A
UTO"
 i
ndicator
 l
amps
 g
o
 of

f;
 t
he
 o
ther
 f
unctions
 w
ill
 s
till
 b
e
 c
ontrolled
 auto

matically.
F
 Pr

essing
 t
he
 "A
UTO" button returns the
system
 t

o
 c
ompletely
 a
utomatic
 o
peration.2. Driver's side adjustment
The driver and front passenger can each a djust t he t emperature t o t heir re

quirements.
F
Tu

rn control 2 or 3
 t
o
 t
he
 l
eft
 o
r
 t
o
 t
he
 r
ight
 re

spectively
 t
o
 d
ecrease
 o
r
 i
ncrease
 t
his
 val

ue.
A
 s

etting
 a

round
 t
he
 v
alue
 2
1
 p
rovides
 op

timum
 c

omfort.
 H
owever,
 d
epending
 o
n
 y
our
 re

quirements,
 a s
etting
 b
etween
 1
8
 a
nd
 2
4
 i
s
 no

rmal.
You
 a

re
 a

dvised
 t
o
 a
void
 a l
eft
 / r
ight
 s
etting
 di

fference
 o
f
 m
ore
 t
han
 3
.
3. Passenger's side adjustment
The value indicated on the display corresponds to a level o f c omfort a nd n ot t o a t emperature i n de

grees
 C
elsius
 o
r
 F
ahrenheit. With
 S

top
 & S
tart,
 w
hen
 d
emisting
 h
as
 be

en
 a
ctivated,
 t
he
 S
TOP
 m
ode
 i
s
 n
ot
 av

ailable.For
 m

aximum
 c
ooling
 o
r
 h
eating
 o
f
 t
he
 pa

ssenger
 c
ompartment,
 i
t
 i
s
 p
ossible
 to e

xceed
 t
he
 m
inimum
 v
alue
 1
4
 o
r
 t
he
 ma

ximum
 v
alue
 2
8.
F
Tu

rn control 2 or 3 to the left
until
"

LO"
 i
s
 d
isplayed
 o
r
 t
o
 t
he
 ri

ght
 u
ntil
 "
HI"
 i
s
 d
isplayed.
Manual operation
3
Ease of use and comfort

96
7. Air flow adjustment
F Turn this control to the left to
decrease t he a ir f low o r t o t he ri

ght
 t
o
 i
ncrease
 t
he
 a
ir
 f
low.
The
 a

ir
 f

low
 i
ndicator
 l
amps,
 b
etween
 t
he
 t
wo
 fa

ns,
 c

ome
 o
n
 p
rogressively
 i
n
 r
elation
 t
o
 t
he
 va

lue
 req

uested.
5. Air conditioning On / Off
F Press this button to switch off
t he a ir c onditioning.
Switching
 t

he
 s
ystem
 o
ff
 c
ould
 r
esult
 i
n
 di

scomfort
 (h
umidity,
 co
ndensation).
F
 Pr

ess
 t

his
 b
utton
 a
gain
 t
o
 r
eturn
 t
o
 au

tomatic
 o
peration
 o
f
 t
he
 a
ir
 c
onditioning.
 Th

e
 i

ndicator
 l
amp
 o
n
 t
he
 "A
/C " button
comes
 o

n. F Pr
ess o ne o r m ore b uttons t o di
rect t he a ir f low t owards:
-
 th

e
 w
indscreen
 a
nd
 s
ide
 wi

ndows
 (
demisting
 o
r
 de

f r o st ing),
-
 th

e
 o
uter
 a
nd
 c
entre
 a
ir
 ven

ts,
-
 th

e
 f
ootwells.
6. Air distribution adjustment
You can combine the three orientations to obtain t he d esired a ir d istribution.
Ease of use and comfort

97
9. "REST" function: ventilation
with the engine off
Even with the engine is off, you ca
n operate the ventilation for a
few minutes.
8. Air intake / Air recirculation
F Press this button for
r ecirculation of the interior
air.
 T

he
 i
ndicator
 l
amp
 i
n
 t
he
 bu

tton
 c
omes
 o
n.
Air
 r

ecirculation
 e
nables
 t
he
 p
assenger
 co

mpartment
 t
o
 b
e
 i
solated
 f
rom
 e
xterior
 od

ours
 a

nd
 s
moke.
F
As s

oon as possible, press this button
again
 t

o
 p
ermit
 t
he
 i
ntake
 o
f
 o
utside
 a
ir
 a
nd
 pr

event
 t
he
 f
ormation
 o
f
 c
ondensation.
 T
he
 in

dicator
 l
amp
 i
n
 t
he
 b
utton
 g
oes
 o
ff.
Avoid
 p

rolonged
 o
peration
 i
n
 i
nterior
 a
ir
 re

circulation
 m
ode
 (
risk
 o
f
 m
isting
 a
nd
 de

terioration
 o
f
 a
ir
 q
uality). For
 e

xample,
 w
hile
 y
ou
 a
re
 a
way
 f
rom
 t
he
 ve

hicle,
 t
he
 p
assengers
 c
an
 s
till
 e
njoy
 s
ome
 a
ir
 ci

rculation
 w
ithout
 h
aving
 t
he
 e
ngine
 r
unning.
This
 f

unction
 i
s
 a
vailable
 a
fter
 s
witching
 o
n
 t
he
 ig

nition,
 a
s
 w
ell
 a
s
 a
fter
 s
topping
 t
he
 e
ngine.
The
 p

eriod
 t
hat
 t
he
 f
unction
 i
s
 a
vailable
 de

pends
 o
n
 t
he
 s
tate
 o
f
 c
harge
 o
f
 t
he
 b
attery.
You can activate the "REST" function while the
air
 c

onditioning
 c
ontrol
 s
creens
 a
re
 o
n.On switching on the engine
- Th
e c ontrol s creens c ome o n: t he f unction is a

vailable.
-
 Pr

essing
 t
he
 R
EST button activates the
ventilation
 f

or
 a f
ew
 m
inutes.
 A
ctivation
 o
f
 th

e
 f
unction
 i
s
 c
onfirmed
 b
y
 t
he
 d
isplay
 o
f
 tw

o
 d
ashes
 i
n
 t
he
 c
ontrol
 s
creens
 a
nd
 f
our
 ai

r
 f
low
 l
evel
 i
ndicator
 l
amps.
-
 Th

e
 f
unction
 c
an
 b
e
 d
eactivated
 a
nd
 re

activated
 i
f
 t
he
 c
ontrol
 s
creens
 a
re
 o
n.
-
 Th

e
 s
creens
 g
o
 o
ff
 a
t
 t
he
 e
nd
 o
f
 t
his
 pe

riod.
3
Ease of use and comfort

98
Switching the system off
On stopping the engine
- While t he c ontrol s creens r emain o n: t he fu

nction
 i
s
 a
vailable.
-
 Pr

essing
 t
he
 R
EST button activates the
ventilation
 f

or
 a f
ew
 m
inutes.
 A
ctivation
 o
f
 th

e
 f
unction
 i
s
 c
onfirmed
 b
y
 t
he
 d
isplay
 o
f
 tw

o
 d
ashes
 i
n
 t
he
 c
ontrol
 s
creens
 a
nd
 f
our
 ai

r
 f
low
 l
evel
 i
ndicator
 l
amps.
 Lo

cking
 t
he
 v
ehicle
 h
as
 n
o
 e
ffect
 o
n
 t
his
 fu

nction.
-
 Th

e
 c
ontrol
 s
creens
 g
o
 o
ff
 a
t
 t
he
 e
nd
 o
f
 t
his
 pe

riod.
 Pr

essing
 a
gain
 b
efore
 t
he
 e
nd
 o
f
 t
he
 p
eriod
 in

terrupts
 o
ff
 t
he
 v
entilation
 d
efinitively:
 t
he
 co

ntrol
 s
creens
 g
o
 o
ff
 a
nd
 t
he
 f
unction
 i
s
 no l

onger
 a
vailable. F
Tu

rn the air flow control to the
left
 u
ntil
 a
ll
 o
f
 t
he
 i
ndicator
 la
mps g o o ff.
This
 a
ction
 s
witches
 o
ff
 t
he
 a
ir
 c
onditioning
 a
nd
 the ve

ntilation.
Temperature
 r

elated
 c
omfort
 i
s
 n
o
 l
onger
 as

sured
 b
ut
 a s
light
 f
low
 o
f
 a
ir,
 d
ue
 t
o
 t
he
 mov

ement
 o
f
 t
he
 v
ehicle,
 c
an
 s
till
 b
e
 f
elt.
F
 Mo

dify
 t
he
 s
ettings
 (
temperature,
 a
ir
 f
low
 or a

ir
 d
istribution)
 o
r
 p
ress
 t
he
 "A
UTO"
button
 t

o
 r
eactivate
 t
he
 s
ystem
 w
ith
 t
he
 va

lues
 s
et
 b
efore
 i
t
 w
as
 s
witched
 o
ff.
Avoid
 p

rolonged
 o
peration
 i
n
 i
nterior
 ai

r
 r
ecirculation
 m
ode
 o
r
 d
riving
 f
or
 lo

ng
 p
eriods
 w
ith
 t
he
 s
ystem
 o
ff
 (
risk
 o
f
 mi

sting
 a
nd
 d
eterioration
 o
f
 a
ir
 q
uality).
This s
witch d oes n ot o perate t he a ir co

nditioning,
 o
nly
 t
he
 a
ir
 f
an.
 W

hen
 t
he
 "
REST"
 f
unction
 i
s
 a
ctivated,
 yo

u
 c
annot
 m
odify
 t
he
 t
emperature,
 a
ir
 fl

ow
 a
nd
 d
istribution
 s
ettings:
 t
hese
 a
re
 co

ntrolled
 a
utomatically
 a
ccording
 t
o
 th

e
 ambi
ent
 te
mperature.
This function is not available in the
STOP
 m

ode
 o
f
 S
top
 & S
tart.
Ease of use and comfort