2015 Citroen C4 heating

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Warning/indicator lampis on Cause Action/Observations
Parking brake fixed. The
  parking   brake   is   applied   or   not  
p

roperly
 r
eleased.Release
  the   parking   brake   to   switch   off   the   warning  
l

amp,   keeping   your   foot   on   the   brake   pedal.
Observe
  the   safety   recommendations.
For
  more   information   on   the   parking   brake,   refer   to   the  
"

Parking   brake"   and   "Electric   parking   brake"   sections.
Electric parking
brake fixed.
The
  electric   parking   brake   is   applied. Release   the   electric   parking   brake   to   switch   off   the  
w

arning   lamp:   with   your   foot   on   the   brake   pedal,   pull  
t

he   electric   brake   control.
Observe
  the   safety   recommendations.
For
  more   information   on   the   electric   parking   brake,  
r

efer   to   the   corresponding   section.
Deactivation of
the automatic
functions of the
electric parking
brake fixed.
The
  "automatic   application"   (on  
s

witching   off   the   engine)   and  
"

automatic   release"   functions   are  
d

eactivated   or   faulty.Activate
  the   function   (according   to   country)   via   the  
v

ehicle   configuration   menu   or   contact   a   CITROËN  
d

ealer   or   a   qualified   workshop.
Diesel engine
pre-heating fixed.
The
  ignition   switch   is   at   the  
2nd position (Ignition on) or the "ST
ART/STOP "
  starting   button   has  
b

een   pressed. Wait
  until   the   warning   lamp   goes   off   before   starting.
Once   it   goes   off,   starting   is   immediate,   on   condition  t
hat   the   brake   pedal   remains   pressed   with   an  
a

utomatic   or   electronic   gearbox,   or   the   clutch   pedal   is  
p

ressed   fully   down   with   a   manual   gearbox.
The
  period   of   illumination   of   the   warning   lamp   is  
d

etermined   by   the   ambient   conditions   (up   to   about  
t

hirty   seconds   in   severe   winter   conditions).
If
  the   engine   does   not   start,   switch   the   ignition   off   and  
t

hen   on,   wait   until   the   warning   lamp   goes   off   again,  
t

hen   start   the   engine.
Monitoring

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Ventilation
Air intake
The air circulating in the passenger compartment   is   filtered   and   originates   either  
f

rom   the   outside   via   the   grille   located   at   the  
b

ase   of   the   windscreen   or   from   the   inside   in   air  
re

circulation
 m
ode.
Air treatment
The incoming air follows various routes depending   on   the   controls   selected   by   the  
d

river:
-
 
d
irect   arrival   in   the   passenger  
c

ompartment   (air   intake),
-
 
p
assage   through   a   heating   circuit   (heating),
-
 
p
assage   through   a   cooling   circuit   (air  
c

onditioning).
Control panel
The controls of this system are grouped together   on   control   panel   A on the centre
console.
Air distribution
1. Windscreen d emisting-defrosting v ents.
2. F ront   side   window   demisting-defrosting  
ve

nts.
3.
 S

ide   adjustable   air   vents.
4.
 C

entral   adjustable   air   vents.
5.
 A

ir   outlets   to   the   front   footwells.
6.
 A

ir   nozzles   to   the   front   footwells.
7.
 A

ir   outlets   to   the   rear   footwells.
4
Comfort

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C4-2_en_Chap04_confort_ed01-2015
Stop & Start
The heating and air conditioning systems   only   work   when   the   engine  
i

s   running.   To   maintain   a   comfortable  
t

emperature   in   the   passenger  
c

ompartment,   you   can   temporarily  
d

eactivate   the   Stop   &   Start   system   (see  
t

he   corresponding   section).
In
 
order
 
for
 
these
 
systems
 
to
 
be
 
fully
 
effective,
 
follow
 
the
 
operation
 
and
 
maintenance
 
g

uidelines
 belo

w:
F
 
T

o
 
obtain
 
an
 
even
 
air
 
distribution,
 
take
 
care
 
not
 
to
 
obstruct
 
the
 
exterior
 
air
 
intake
 
grilles
 
l

ocated at the base of the windscreen, the nozzles, the vents and the air outlets, as well
as
 
the
 
air
 
extractor
 
located
 
in
 
the
 
boot.
F
 
D

o
 
not
 
cover
 
the
 
sunshine
 
sensor,
 
located
 
on
 
the
 
dashboard;
 
this
 
is
 
used
 
for
 
regulation
 
o

f
 
the
 
air
 
conditioning
 
system.
F
 
O

perate
 
the
 
air
 
conditioning
 
system
 
for
 
at
 
least
 
5
 
to
 
10
 
minutes,
 
once
 
or
 
twice
 
a
 
month
 
t

o
 
keep
 
it
 
in
 
per fect
 
working
 
order.
F
 
E

nsure
 
that
 
the
 
passenger
 
compartment
 
filter
 
is
 
in
 
good
 
condition
 
and
 
have
 
the
 
filter
 
e

lements
 
replaced
 
regularly.
  W

e
 
recommend
 
the
 
use
 
of
 
a
 
combined
 
passenger
 
compartment
 
filter.
 
Thanks
 
to
 
its
 
s

pecial active additive, it contributes to the purification of the air breathed by the
occupants
 
and
 
the
 
cleanliness
 
of
 
the
 
passenger
 
compartment
 
(reduction
 
of
 
allergic
 
s

ymptoms,
 
bad
 
odours
 
and
 
greasy
 
deposits).
F
 
T

o
 
ensure
 
correct
 
operation
 
of
 
the
 
air
 
conditioning
 
system,
 
you
 
are
 
also
 
advised
 
to
 
have
 
i

t
 
checked
 
regularly
 
as
 
recommended
 
in
 
the
 
maintenance
 
and
 
warranty
 
guide.
F
 
I

f
 
the
 
system
 
does
 
not
 
produce
 
cold
 
air,
 
switch
 
it
 
off
 
and
 
contact
 
a
 
CITROËN
 
dealer
 
or
 
a
 
q

ualified
 w

orkshop.
When
 
towing
 
the
 
maximum
 
load
 
on
 
a
 
steep
 
gradient
 
in
 
high
 
temperatures,
 
switching
 
off
 
the
 a
ir
 
conditioning
 
increases
 
the
 
available
 
engine
 
power
 
and
 
so
 
improves
 
the
 
towing
 
ability. The condensation created by the air
conditioning
  results   in   a   discharge  
o

f water under the vehicle which is
per fectly   normal.
If   after   an   extended   stop   in   sunshine,  
t

he   interior   temperature   is   very  
h

igh,   first   ventilate   the   passenger  
c

ompartment   for   a   few   moments.
Put   the   air   flow   control   at   a   setting   high  
e

nough   to   quickly   change   the   air   in   the  
p

assenger
 c
ompartment.
The   air   conditioning   system   does   not  
c

ontain chlorine and does not present
any   danger   to   the   ozone   layer.
Recommendations for ventilation and air conditioning
Comfort

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Recommended interior settings
Digital air conditioning: use   the   automatic   mode   in   preference   by   pressing   the   "AUTO"  button.
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
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Comfort

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See "Front demisting - defrosting".
4. Automatic visibility programmeIf you wish, you can make a different choice f
rom   that   offered   by   the   system   by   changing  
a

  setting.   The   the   "AUTO"
 
indicator   lamps   go  
o

ff;   the   other   functions   will   still   be   controlled  
au

tomatically.
F
 
P
ressing   the   "AUTO" button returns the
system
  to   completely   automatic   operation.2. Driver's side adjustment
The driver and front passenger can each   adjust   the   temperature   to   their  
r

equirements.
F

T

urn control 2 or 3   to   the   left   or   to   the   right  
r

espectively to decrease or increase this
value.
A
 
setting
 
around   the   value   21   provides  
o

ptimum
 
comfort.   However,   depending   on   your  
r

equirements,   a   setting   between   18   and   24   is  
n

ormal.
You
 
are
 
advised   to   avoid   a   left   /   right   setting  
d

ifference
 
of   more   than   3.
3. Passenger's side adjustment
The value indicated on the display corresponds
to  a   level   of   comfort   and   not   to   a   temperature   in  
d

egrees   Celsius   or   Fahrenheit. With
  Stop   &   Start,   when   demisting   has  
b

een   activated,   the   STOP   mode   is   not  
a

vailable.For
  maximum   cooling   or   heating   of   the  
p

assenger   compartment,   it   is   possible  
t

o   exceed   the   minimum   value   14   or   the  
m

aximum   value   28.
F

T
urn control 2 or 3 to the left until
"LO"
  is   displayed   or   to   the   right  
u

ntil "HI"
 
is   displayed.
Manual operation
4
Comfort

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Additional adjustments
Head restraint height and angle
F To  raise   a   head   restraint,   pull   it   upwards.
F  T o   lower   the   head   restraint,   press   the   lug   A
and
  the   head   restraint   at   the   same   time.
F
 
T
o   adjust   the   angle   of   the   head   restraint,   tilt  
i

ts   lower   part   for wards   or   rear wards.
Heated seats control
With the engine running, the front seats can be heated s eparately.
F
 
U
se   the   adjustment   dial,   placed   on   the   side  
o

f each front seat, to switch on and select
the
  level   of   heating   required:
0: O

f f.
1:

 
L
ow.
2:

  Medium.
3:

 
Hig
h.
Removing a head restraint
F To  remove   the   head   restraint,   press   the  l
ug A   and   pull   the   head   restraint   upwards.
F
 
T
o   put   the   head   restraint   back   in   place,  
e

ngage   the   head   restraint   stems   in   the  
o

penings   keeping   them   in   line   with   the   seat  
b

ack   and   press   the   lug   A   at   the   same   time.
The
 
head
 
restraint
 
is
 
fitted
 
with
 
a
 
frame
 
w

ith
 
notches
 
which
 
prevents
 
it
 
from
 
l

owering;
 
this
 
is
 
a
 
safety
 
device
 
in
 
case
 
o

f
 
impact.
The adjustment is correct when the
upper edge of the head restraint is
level with the top of the head.
ne

ver drive with the head restraints
removed;
  they   must   be   in   place   and  
adj

usted
 c
orrectly.
4
Comfort

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A few driving recommendations
Observe the driving regulations at all times and remain   vigilant   whatever   the   traffic   conditions.
Pay
  close   attention   to   the   traffic   and   keep   your  
h

ands on the wheel so that you are ready to
react
  at   any   time   to   any   eventuality.
On
  a   long   journey,   a   break   every   two   hours   is  
s

trongly
 re
commended.
In
  difficult   weather,   drive   smoothly,   anticipate  
t

he   need   to   brake   and   increase   the   distance  
f

rom   other   vehicles.
Driving on flooded roads
We strongly advise against driving on flooded roads,   as   this   could   cause   serious   damage  
t

o   the   engine   or   gearbox,   as   well   as   to   the  
e

lectrical   systems   of   your   vehicle.
Important!If you are obliged to drive through water:
-  
c
heck   that   the   depth   of   water   does   not  
e

xceed   15   cm,   taking   account   of   waves  
t

hat   might   be   generated   by   other   users,
-
 
d
eactivate   the   Stop   &   Start   system,
-

d
rive as slowly as possible without
stalling.
  In   all   cases,   do   not   exceed   6   mph  
(

10 km/h),
-

d
o not stop and do not switch off the
engine. Never
  drive   with   the   parking   brake  
a

pplied   -   Risk   of   overheating   and  
d

amage   to   the   braking   system!
Do
  not   park   or   run   the   engine   when  
s

tationary   in   areas   where   inflammable  
s

ubstances   and   materials   (dry   grass,  
d

ead   leaves...)   might   come   into   contact  
w

ith   the   hot   exhaust   system   -   Risk   of  
f

ire!
ne

ver leave a vehicle unsupervised
with
  the   engine   running.   If   you   have  
t

o   leave   your   vehicle   with   the   engine  
r

unning,   apply   the   parking   brake  
a

nd   put   the   gearbox   into   neutral   or  
p

osition

N or P,
  depending   on   the   type  
o

f   gearbox.
On
  leaving   the   flooded   road,   as   soon   as  
c

ircumstances   allow,   make   several   light   brake  
a

pplications   to   dry   the   brake   discs   and   pads.
If in doubt on the state of your vehicle, contact
a
  CITROËN   dealer   or   a   qualified   workshop.
driving

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It has 3 positions:
- position 1 (Stop):
  insert   and   removing   the  
k

ey,
-
position 2 (Ignition on) :
  steering   column  
u

nlocked,   ignition   on,   Diesel   preheating,  
e

ngine
 r
unning,
-
position 3 (Starting) .
Ignition on position
It allows the use of the vehicle's electric e
quipment   or   portable   devices   to   be   charged.
Once
  the   state   of   charge   of   the   battery   drops  
t

o   the   reserve   level,   the   system   switches   to  
e

nergy   economy   mode:   the   power   supply   is  
c

ut   off   automatically   to   preserve   the   remaining  
b

attery   charge.
Starting-switching off the engine with the key
Ignition switch
Avoid attaching heavy objects to the key,   which   would   weigh   down   on   its  
b

lade   in   the   ignition   switch   and   could  
c

ause   a   malfunction.
Switching
  off   the   engine   leads   to   a   loss  
o

f   braking   assistance.
9
driving