2015 Citroen C4 stop start

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Emergency switch-off
In the event of an emergency only, the  e ngine  c an  b e  s witched  o f  w ithout  
c

onditions.   To   do   this,   press   and   hold  
t

he "START/STOP" button for about
3
  seconds.
In
 
this
 
case   the   steering   column   locks   as   soon  
a

s
 
the
 
vehicle   stops.
Electronic key not
recognised
If the electronic key is no longer in the recognition   zone   when   driving   or   when   you  
(

later)   request   switching   off   the   engine,   a  
m

essage   is   displayed.
F

P
ress and hold the " S TA R T/
STOP" button for about
3 seconds
  if   you   want   to   force  
s

witching   off   the   engine   (note
that restar ting will not be
possible without the key ).
Ignition on position
(without starting)
With the Keyless Entry and Starting key inside t
he   vehicle,   pressing   the   "   START/STOP "
button, with no action on the pedals , allows
the
  ignition   to   be   switched   on.
With
  the   ignition   on,   the   system  
a

utomatically   goes   into   energy  
e

conomy   mode   when   required   to  
m

aintain   the   state   of   charge   of   the  
b

attery.F

P
ress the "START/STOP"
button,
  the   instrument   panel  
c

omes   on   but   the   engine   does  
n

ot   start.
F
 
P
ress   the   button   again   to   switch   off   the  
i

gnition   and   so   allow   the   vehicle   to   be  
lo

cked.
Driving

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Gear shift indicator*
Depending on the driving situation and your vehicle's   equipment,   the   system   may   advise  
y

ou   to   skip   one   (or   more)   gear(s).   You   can  
f

ollow   this   instruction   without   engaging   the  
i

ntermediate
 g
ears.
The
  gear   engagement   recommendations   must  
n

ot   be   considered   compulsory.   In   fact,   the  
c

onfiguration   of   the   road,   the   amount   of   traffic  
a

nd   safety   remain   determining   factors   when  
c

hoosing   the   best   gear.   Therefore,   the   driver  
r

emains   responsible   for   deciding   whether   or   not  
t

o   follow   the   advice   given   by   the   system.
This
  function   cannot   be   deactivated. -
 
Y
ou   press   the   accelerator   pedal.
Example:
-
 Y ou   are   in   third   gear.
-
 
T
he   system   may   suggest   that   you   engage  
a

  higher   gear.
The
  information   appears   in   the   instrument  p
anel   in   the   form   of   an   arrow.
System
  which   reduces   fuel   consumption   by   recommending   the   most   appropriate   gear.
With   an   electronic   or   automatic   gearbox,   the  
s

ystem   is   only   active   in   manual   mode.
*
  Depending   on   engine. On
  vehicle   fitted   with   a   manual   gearbox,  
t

he   arrow   may   be   accompanied   by   the   gear  
re

commended.The
  system   adapts   its   gear   change  
r

ecommendation   according   to   the  
d

riving   conditions   (slope,   load, ...)   and  
t

he   demands   of   the   driver   (power,  
a

cceleration,   braking, ...).
The
  system   never   suggests:
-
 
e
ngaging   first   gear,
-
 enga

ging
 r
everse
 g
ear,
Operation
On BlueHDi Diesel versions with manual gearbox,  t he  s ystem  m ay  s uggest  c hanging  i nto  
n

eutral   so   that   the   engine   can   go   into   standby  
(

STOP   mode   with   Stop   &   Start),   in   certain  
d

riving   conditions.   In   this   case,   N is displayed
in
  the   instrument   panel.
9
driving

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Stop & Start
Operation
Going into engine STOP mode
The "ECO"  warning   lamp   comes   on i
n   the   instrument   panel   and   the   engine g

oes   into   standby   automatically:
-

w

ith a manual gearbox , at speeds below
12
 
m

ph  
(
20  
k
m/h),  
o
r  
v
ehicle  
s
tationary  
w
ith  
P

ureTech   130   petrol   and   BlueHDi   Diesel  
v

ersions,   when   you   put   the   gear   lever   into  
n

eutral and release the clutch pedal,
If your vehicle is fitted with the
system,
  a   time   counter   calculates
 t

he   sum   of   the   periods   in   STOP
 m

ode   during   a   journey.   It   resets
 i

tself   to   zero   every   time   the
 i

gnition   is   switched   on   with   the
 k

ey   or   the   "START/STOP"   button.
-

w

ith an electronic gearbox , at a speed
below
  5   mph   (8   km/h),   when   you   press  
t

he
 
brake   pedal   or   put   the   gear   lever   into  
p

osition N .
Special cases: STOP mode
unavailable
STOP mode is not invoked when:
-  t he   vehicle   is   on   a   steep   slope   (up   or  
d

ow n),
-
 
t
he   driver's   door   is   open,
-
 
t
he   driver's   seat   belt   is   not   fastened,
-
 
t
he   vehicle   has   not   exceeded   6   mph  
(

10 km/h)   since   the   last   engine   start   (using  
t

he   key   or   the   "   START/STOP"   button),
-
 
t
he   electric   parking   brake   is   applied   or  
be

ing
 a
pplied,
-
 
t
he   engine   is   needed   to   maintain   a  
c

omfortable   temperature   in   the   passenger  
c

ompartment,
-
 
d
emisting   is   active,
-
 
s
ome   special   conditions   (battery   charge,  
e

ngine   temperature,   braking   assistance,  
a

mbient   temperature...)   where   the   engine   is  
n

eeded   to   assure   control   of   a   system.
In this case, the "ECO"
 

warning   lamp  
f

lashes for a few seconds, then
goes
  off.
This operation is perfectly normal.
The
 
Stop
 
&
 
Start system
 
puts
 
the
 
engine
 
temporarily
 
into
 
standby
 
-
 
STOP
 
mode
 
-
 
during
 
stops
 
in
 
the
 
traffic   (red   lights,   traffic   jams,   or   other...).  
The
 
engine
 
restarts
 
automatically
 
-
 
START
 
mode
 
-
 
as
 
soon
 
as
 
you
 
want
 
to
 
move
 
off.
 
The
 
restart
 
takes
 
place   instantly,   quickly   and   silently.
Per fect
 
for
 
urban
 
use,
 
the
 
Stop
 
&
 
Start
 
system
 
reduces
 
fuel
 
consumption
 
and
 
exhaust
 
emissions
 
as
 
well
  as   the   noise   level   when   stationary.
Never
 
refuel
 
with
 
the
 
engine
 
in
 
STOP
 
m

ode;
 
you
 
must
 
switch
 
off
 
the
 
ignition
 
w

ith
 
the
 
key
 
or
 
the
 
"START/STOP"
 
b

utton.
With
 
an
 
electronic
 
gearbox,
 
for
 
your
 
c

omfort
 
during
 
parking
 
manoeuvres,
 
S

TOP
 
mode
 
is
 
not
 
available
 
for
 
a
 
few
 
s

econds
 
after
 
coming
 
out
 
of
 
reverse
 
g

e a r.
STOP
 
mode
 
does
 
not
 
affect
 
the
 
f

unctionality of the vehicle, such as
braking,
 
power
 
steering,
 
for
 
example.
driving

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Deactivation
Going into engine START mode
At any time, press the "ECO OFF" switch to
d eactivate   the   system.
This
  is   confirmed   by   the   switch   warning   lamp  
c

oming   on   accompanied   by   the   display   of   a  
m

essage.
Special cases: START invoked
automatically
The "ECO"  warning   lamp   goes   off  a
nd   the   engine   starts   automatically:
-

w

ith a manual gearbox , when you fully
depress the clutch pedal,
-

w

ith an electronic gearbox :
●
 
g

ear   lever   in   position   A or M, when you
release
  the   brake   pedal,
●
 
o

r
 
gear   lever   in   position   N   and   the   brake  
p

edal   released,   when   you   move   the   gear  
l

ever to position A or M ,
●
 
o

r
 
when   you   engage   reverse   gear.For
  safety   reasons   or   to   ensure   smooth  o
peration,   START   mode   is   invoked  
a

utomatically
 w
hen:
-
 
y
ou   open   the   driver's   door,
-
 
y
ou   unfasten   the   driver's   seat   belt,
-
 
t
he   speed   of   the   vehicle   exceeds   15 mph  
(

25   km/h)   with   a   manual   gearbox   (3 km/h  
(

2   mph)   with   PureTech   130   petrol   and  
B

lueHDi   Diesel   versions)   or   7   mph  
(

11 km/h)   with   an   electronic   gearbox,
-
 
t
he   electric   parking   brake   is   being   applied,
-
 
s
ome   special   conditions   (battery   charge,  
e

ngine   temperature,   braking   assistance,  
a

mbient   temperature...)   where   the   engine   is  
n

eeded   to   assure   control   of   a   system.
In this case the "ECO"
 

warning   lamp  
f

lashes for few seconds, then
goes
  off.
This operation is perfectly normal.
With
  a   manual   gearbox   in   STOP   mode,  
i

f
 
a
  gear   is   engaged   without   fully  
d

epressing   the   clutch   pedal,   a   warning  
l

amp   comes   on   or   an   alert   message  
i

s
 
displayed   asking   you   to   depress   the  
c

lutch   pedal   to   restart   the   engine. If
  the   system   has   been   deactivated  
i

n   STOP   mode,   the   engine   restarts  
i

mmediately.
9
Driving

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Maintenance
In the event of a malfunction with the system, the "ECO OFF"   switch   warning   lamp   flashes,  
t

hen   comes   on   continuously.
Ha

ve   it   checked   by   a   CITROËN   dealer   or   a  
q

ualified
 w
orkshop.
Operating fault
This system requires a specific battery with a special   specification   and   technology   (reference  
n

umbers   available   from   a   CITROËN   dealer   or   a  
q

ualified
 w
orkshop).
Fitting
  a   battery   not   listed   by  
C

ITROËN introduces   the   risk   of   malfunction   of  
t

he   system.Before
  doing   anything   under   the  
b

onnet, deactivate the Stop & Start
system   to   avoid   any   risk   of   injury  
r

esulting   from   automatic   operation   of  
S

TART   mode.
The   Stop   &   Start   system   makes   use  
o

f   advanced   technology.   All   work   on  
t

his   type   of   battery   must   be   done   only  
b

y   a   CITROËN   dealer   or   a   qualified  
w

orkshop.
In
 
the
 
event
 
of
 
a
 
fault
 
in
 
STOP
 
mode,
 
the
 v

ehicle
 
may
 
stall.
 
All
 
of
 
the
 
instrument
 p

anel
 
warning
 
lamps
 
come
 
on.
Depending
 
on
 
version,
 
an
 
alert
 
m

essage
 
may
 
also
 
be
 
displayed
 
asking
 
y

ou
 
to
 
put
 
the
 
gear
 
lever
 
into
 
position
 
N
and
 
put
 
your
 
foot
 
on
 
the
 
brake
 
pedal.
It is then necessary to switch off the
ignition,
 
then
 
restart
 
the
 
engine
 
using
 
t

he
 
key
 
or
 
the
 
"START/STOP"
 
button.
Reactivation
The system is reactivated automatically a t   every   new   start   using   the   key   or   the  
"

START/STOP"   button.
Press the "ECO OFF"
  switch   again.
The
 
system   is   active   again;   this   is   confirmed  
b

y
 
the
  switch   warning   lamp   going   off   and   the  
d

isplay   of   a   message.
Driving

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Fuel tank
Capacity of the tank: approximately 60 litres.When the low fuel level in the
tank
  is   reached,   this   warning   lamp  
c

omes   on   in   the   instrument   panel,  
a

ccompanied   by   an   audible   warning  
a

nd   the   display   of   an   alert   message.  
W

hen   it   first   comes   on,   around
6
litres   of   fuel   remain   in   the   tank.
Low fuel level
Additions of fuel must be of at least 5 litres to be   registered   by   the   fuel   gauge.
Opening
  the   filler   cap   may   result   in   an   inrush   of  
a

ir.   This   vacuum   is   entirely   normal   and   results  
f

rom   the   sealing   of   the   fuel   system.
F

P
ress control A   until   the   automatic   opening  
o

f   the   fuel   flap   is   heard.
 T

his   control   remains   active   for   a   few  
m

inutes   after   switching   off   the   ignition.   If  
n

ecessary,   switch   the   ignition   on   again   to  
r

eactivate   it.
F
 
T
ake   care   to   select   the   pump   that   delivers  
t

he   correct   fuel   for   your   vehicle.If you are filling your tank to the top, do not
persist after the third cut- off; this could
cause your vehicle to malfunction. F

I
ntroduce the nozzle so as to push in the
metal
  non-return   flap   B.
F
 
M
ake   sure   that   the   nozzle   is   pushed   in   as  
f

ar   as   possible   before   starting   to   refuel  
(

risk   of   blowback).
F
 
M
aintain   this   position   while   refuelling.
F
 
P
ush   the   fuel   flap   to   close   it.
With Stop & Start, never refuel with the
system
 
in
 
STOP
 
mode;
 
you
 
must
 
switch
 
o

ff
 
the
 
ignition
 
with
 
the
 
key,
 
or
 
the
 
S

TART/STOP
 
button
 
if
 
your
 
vehicle
 
has
 
K

eyless
 
Entry
 
and
 
Starting.
Until
 
sufficient
 
fuel
 
has
 
been
 
added,
 
every
 
t

ime
 
the
 
ignition
 
is
 
switched
 
on,
 
this
 
warning
 
l

amp
 
appears,
 
accompanied
 
by
 
an
 
audible
 
s

ignal
 
and
 
an
 
alert
 
message.
 
When
 
driving,
 
t

his
 
audible
 
signal
 
and
 
the
 
display
 
of
 
this
 
a

lert
 
message
 
are
 
repeated
 
with
 
increasing
 
f

requency,
 
as
 
the
 
level
 
drops
 
towards
 
0 .
You
 
must
 
refuel
 
as
 
soon
 
as
 
possible
 
to
 
avoid
 
r

unning
 
out.
If
 
you
 
run
 
out
 
of
 
fuel
 
(Diesel),
 
refer
 
to
 
the
 
c

orresponding
 s

ection.
Refuelling
Checks

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bonnet
F Push  the   exterior   safety   catch   B to the left
and   raise   the   bonnet.
Opening
F Open  the   front   left   door.
F P ull the interior bonnet release lever A,
located
  at   the   bottom   of   the   door   aperture.
F
 
U
nclip   the   stay   C   from   its   housing   on   the  
b

ack   of   the   bonnet.
F
 
F
ix   the   stay   in   the   notch   to   hold   the   bonnet  
ope

n.
Closing
F Take  the   stay   out   of   the   support   notch.
F  C lip   the   stay   in   its   housing   on   the   back   of  
t

he   bonnet.
F

L
ower the bonnet and release it at the end
of
  its   travel.
F
 
P
ull   on   the   bonnet   to   check   that   it   is  
s

ecured
 c
orrectly.
The cooling fan may star t after switching
off the engine: take care with ar ticles and
clothing that might be caught by the fan
blades.
Before
 
doing
 
anything
 
under
 
the
 
b

onnet, switch off the Stop & Start
system
 
to
 
avoid
 
any
 
risk
 
of
 
injury
 
r

esulting
 
from
 
an
 
automatic
 
c

hange
 t

o
 S

TART
 
mode.
Do  not   open   the   bonnet   in   high   winds.
When   the   engine   is   hot,   handle   the  
e

xterior   safety   catch   and   the   bonnet  
s

tay   with   care   (risk   of   burns).
be

cause of the presence of electrical
equipment   under   the   bonnet,   it   is  
r

ecommended   that   exposure   to   water  
(

rain,   
w
ashing,   ...)   be   limited.
The location of the interior bonnet
release
 
lever
 
prevents
 
opening
 
of
 
t

he bonnet while the front left door is
closed.
Checks

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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