ECU Citroen C4 2016 2.G User Guide

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Seat belt not fastened / unfastened
warning lamp in the instrument
panel
When the ignition is switched on, this warning   lamp   comes   on   in   the   instrument p

anel   if   the   driver   and/or   the   front
 p

assenger   has   not   fastened   their   seat   belt.
1. Driver's  seat   belt   not   fastened   /   unfastened  w
arning lam p.
2.
 F

ront   passenger's   seat   belt   not   fastened   /  
u

nfastened   warning   lamp.
Seat belt not fastened /
unfastened warning lamps
display
The corresponding warning lamp 1 or 2 comes on   in   red   on   the   seat   belt   and   passenger's   front  
a

irbag   warning   lamps   display,   accompanied   by  
a

n   audible   signal   and   a   message   in   the   screen,  

i

f the seat belt is not fastened or is
unfastened.
From
 
approximately
 
12
 
mph
 
(20 km/h)
 
t

his
 
warning
 
lamp
 
flashes
 
for
 
two
 
minutes
 
a

ccompanied
 
by
 
an
 
audible
 
signal
 
of
 
increasing
 
v

olume.
 
Once
 
these
 
two
 
minutes
 
have
 
elapsed,
 
t

his
 
warning
 
lamp
 
remains
 
on
 
until
 
the
 
driver
 
a

nd/or
 
the
 
front
 
passenger
 
fastens
 
their
 

seat
 
belt.
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Rear seat belts
Fastening
F Pull  the   strap,   then   insert   the   tongue   in   the  buc
kle.
F
 
C
heck   that   the   seat   belt   is   fastened  
c

orrectly   by   pulling   the   strap.
Unfastening
F Press  the   red   button   on   the   buckle.
F  G uide   the   seat   belt   as   it   reels   in.
F

O
n the outer seat belts, raise the bar to the
top
  of   the   backrest   to   prevent   the   tongue  
f

rom   knocking   against   the   side   trim.
This
  warning   lamp   comes   on   in   the
 i

nstrument
 
panel
 
when
 
one
 
or
 
more
 
rear
 p

assengers
 u
nfasten
 t
heir
 sea
t
 b
elt.
Seat belt unfastened warning
lamp in the instrument panelSeat belt unfastened warning
lamps display
3. Right
  hand   rear   seat   belt   warning   lamp.
4. C entre   rear   seat   belt   warning   lamp.
5.
 L

eft   hand   rear   seat   belt   warning   lamp.
From
 
approximately
 
12 mph
 
(20 km/h),
 
t

his
 
warning
 
lamp
 
flashes
 
for
 
two
 
minutes
 
a

ccompanied
 
by
 
an
 
audible
 
signal
 
of
 
increasing
 
v

olume.
 
Once
 
these
 
two
 
minutes
 
have
 
elapsed,
 
t

his
 
warning
 
lamp
 
remains
 
on
 
until
 
the
 
one
 
or
 
m

ore
 
rear
 
passengers
 
fasten
 
their
 
seat
 
belt.
The rear seats are each fitted with a three-point
seat
 
belt,
 
with
 
force
 
limiter
 
and,
 
for
 
the
 
outer
 s
eats,
 
an
 
effort
 
limiter.
When  the   ignition   is   switched   on,   with   the   engine
 r

unning   or   when   the   vehicle   is   moving   at   less
 t

han   12   mph   (20   km/h),   the   corresponding
 w

arning
 lam
ps
 3, 4 a

nd 5
 
come   on   in   red   for
 a

pproximately   30   seconds,   if   the   seat   belt   is   not
 f

astened.
When
  the   vehicle   is   moving   at   more   than   12   mph
 (

20   km/h),   the   corresponding   warning   lamps 3,
4 and 5
 

come   on   in   red,   accompanied   by   an
 a

udible   signal   and   a   message   in   the   screen,   if   a
 r

ear   passenger   has   unfastened   their   seat   belt.
5
Safety

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The driver must ensure that passengers use the seat belts correctly and that they are all
fastened
  before   setting   off.
Wherever you are seated in the vehicle,
always fasten your seat belt, even for short
journeys.
Do
  not   interchange   the   seat   belt   buckles   as  
t

hey   will   not   fulfil   their   role   fully.
The seat belts are fitted with an inertia reel
permitting
  automatic   adjustment   of   the   length  
o

f   the   strap   to   your   size.   The   seat   belt   is  
s

towed   automatically   when   not   in   use.
Before and after use, ensure that the seat belt
is
  reeled   in   correctly.
The
  lower   part   of   the   strap   must   be   positioned  
a

s   low   as   possible   on   the   pelvis.
The
  upper   part   must   be   positioned   in   the  
h

ollow   of   the   shoulder.
The
  inertia   reels   are   fitted   with   an   automatic  
l

ocking   device   which   comes   into   operation   in  
t

he   event   of   a   collision,   emergency   braking  
o

r   if   the   vehicle   rolls   over.   You   can   release  
t

he   device   by   pulling   the   strap   firmly   and   then  
r

eleasing   it   so   that   it   reels   in   slightly.Recommendations for children
Use a suitable child seat if the passenger is less than 12 years old or shorter than one
and
  a   half   metres.
Never
  use   the   same   seat   belt   to   secure   more  
t

han   one   person.
Never
  allow   a   child   to   travel   on   your   lap.
For
  more   information   on   child   seats,   refer   to  
t

he   corresponding   section.
In the event of an impact
Depending on the nature and seriousness
of the impact,
  the   pretensioning   device   may  
b

e deployed before and independently of the
airbags.
  Deployment   of   the   pretensioners  
i

s   accompanied   by   a   slight   discharge   of  
h

armless   smoke   and   a   noise,   due   to   the  
a

ctivation   of   the   pyrotechnic   cartridge  
i

ncorporated   in   the   system.
In
  all   cases,   the   airbag   warning   lamp   comes   on.
Following
  an   impact,   have   the   seat   belts  
s

ystem   checked,   and   if   necessary   replaced,  
b

y   a   CITROËN   dealer   or   a   qualified  
w

orkshop.
Advice
In order to be effective, a seat belt must:
-  b e   tightened   as   close   to   the   body   as  
p

ossible,
-
 
b
e   pulled   in   front   of   you   with   a   smooth  
m

ovement,   checking   that   it   does   not  
t

wist,
-

b
e used to restrain only one person,
-
 
n
ot   bear   any   trace   of   cuts   or   fraying,
-
 
n
ot   be   converted   or   modified   to   avoid  
a

ffecting
 it
s
 p
erformance.
In accordance with current safety
regulations,
  for   all   repairs   on   your   vehicle's  
s

eat   belts,   go   to   a   qualified   workshop   with  
t

he   skills   and   equipment   needed,   which   a  
C

ITROËN   dealer   is   able   to   provide.
Have
  your   seat   belts   checked   regularly   by  
a

  CITROËN   dealer   or   a   qualified   workshop,  
p

articularly   if   the   straps   show   signs   of  
d

amage.
Clean the seat belt straps with soapy
water
  or   a   textile   cleaning   product,   sold   by  
C

ITROËN   dealers.
After
  folding   or   moving   a   seat   or   rear   bench  
s

eat, ensure that the seat belt is positioned
and
  reeled   in   correctly.
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Airbags
General information
System designed to contribute towards improving   the   safety   of   the   occupants   (with  
t

he   exception   of   the   rear   centre   passenger)  
i

n   the   event   of   violent   collisions.   The   airbags  
s

upplement   the   action   of   the   seat   belts   fitted  
w

ith   force   limiters   (all   except   the   centre   rear  
p

assenger
 b
elt).
If a collision occurs, the electronic detectors
record
  and   analyse   the   front   and   side   impacts  
s

ustained   in   the   impact   detection   zones:
-
 
i
n   the   case   of   a   serious   impact,   the   airbags  
a

re deployed instantly and contribute
towards better protection of the occupants
of
  the   vehicle   (with   the   exception   of   the  
r

ear   centre   passenger);   immediately   after  
t

he   impact,   the   airbags   deflate   rapidly   so  
t

hat   they   do   not   hinder   visibility   or   the   exit  
o

f the occupants,
-
 
i
n   the   case   of   a   minor   or   rear   impact   or   in  
c

ertain   roll-over   conditions,   the   airbags  
m

ay   not   be   deployed;   the   seat   belt  
a

lone   contributes   towards   ensuring   your  
p

rotection   in   these   situations.
Impact detection zones
A. Front  impact   zone.
B. S ide   impact   zone.
The airbags do not operate when the
ignition is switched off.
This
 
equipment
 
will
 
only
 
deploy
 
once.
 
I

f
 
a
 
second
 
impact
 
occurs
 
(during
 
the
 
s

ame
 
or
 
a
 
subsequent
 
accident),
 
the
 
a

irbag
 
will
 
not
 
be
 
deployed
 
again.
Deployment  of   one   or   more   of   the  
a

irbags   is   accompanied   by   a   slight  
e

mission   of   smoke   and   a   noise,   due  
t

o the activation of the pyrotechnic
cartridge
  incorporated   in   the   system.
This
  smoke   is   not   harmful,   but   sensitive  
i

ndividuals   may   experience   slight  
ir

ritation.
The noise of detonation related to the
deployment
  of   one   or   more   airbags   may  
r

esult   in   a   slight   loss   of   hearing   for   a  
s

hort   time.
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Deactivation
Only the passenger's front airbag can be deactivated:
F
 
i
nsert   the   key   in   the   passenger   airbag  
d

eactivation switch,
F

t
urn it to the "OFF" position,
F
 
t
hen,   remove   the   key   keeping   the   switch   in  
t

he   new   position.
According
  to   version,   this   warning  
l

amp   comes   on   in   the   instrument  
p

anel   and/or   in   the   seat   belt   and  
p

assenger's   front   airbag   warning  
l

amps   display   when   the   ignition   is   on  
a

nd   until   the   airbag   is   reactivated.
Front airbags
Deployment
The airbags are deployed, except the passenger's   front   airbag   if   it   is   deactivated,   in   the e

vent   of   a   serious   front   impact   to   all   or   part   of   the
 f

ront   impact   zone   A,
  in   the   longitudinal   centreline
 o

f the vehicle on a horizontal plane and directed
from
  the   front   to   the   rear   of   the   vehicle.
The
  front   airbag   inflates   between   the   thorax   and
 h

ead of the front occupant of the vehicle and the
steering
  wheel,   driver's   side,   and   the   dashboard,
 p

assenger's   side   to   cushion   their   for ward
 m

ovement. To assure the safety of your child,
the
  passenger's   front   airbag   must   be  
d

eactivated when you install a rear ward
facing   child   seat   on   the   front   passenger  
sea

t.
Other wise,   the   child   would   risk   being  
s

eriously   injured   or   killed   if   the   airbag  
w

ere   deployed.
System   which   protects   the   driver   and   front  
p

assenger   in   the   event   of   a   serious   front   impact  
i

n   order   to   limit   the   risk   of   injury   to   the   head   and  
t

horax.
The   driver's   airbag   is   fitted   in   the   centre   of   the  
s

teering   wheel;   the   front   passenger's   airbag   is  
f

itted   in   the   dashboard   above   the   glove   box.
Reactivation
When you remove the child seat, turn the s
witch to the "ON" position to reactivate the
airbag
  and   so   assure   the   safety   of   your   front  
p

assenger   in   the   event   of   an   impact.
With
  the   ignition   on,   this   warning
 l

amp   comes   on   in   the   seat   belt   and
 p

assenger's   front   airbag   warning   lamps
 d

isplay   for   approximately   one   minute,   if
 t

he   passenger's   front   airbag   is   activated.
Operating fault
If this warning lamp comes on in the instrument   panel,   contact   a   CITROËN d

ealer   or   a   qualified   workshop   to   have
 t

he   system   checked.   The   airbags   may
 n

o   longer   be   deployed   in   the   event   of
 a

  serious   impact.
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Lateral airbags
Deployment
A lateral airbag is deployed unilaterally in the event   of   a   serious   side   impact   applied   to   all   or  
p

art   of   the   side   impact   zone   B, perpendicular
to
  the   longitudinal   centreline   of   the   vehicle   on   a  
h

orizontal   plane   and   directed   from   the   outside  
t

owards   the   inside   of   the   vehicle.
The
  lateral   airbag   inflates   between   the   hip   and  
s

houlder of the front occupant of the vehicle
and
  the   corresponding   door   trim   panel.
Impact detection zones
A. Front  impact   zone.
B. S ide   impact   zone.
Curtain airbags
Deployment
The curtain airbag is deployed at the same time   as   the   corresponding   lateral   airbag   in   the  
e

vent   of   a   serious   side   impact   applied   to   all   or  
p

art   of   the   side   impact   zone   B, perpendicular
to
  the   longitudinal   centreline   of   the   vehicle   on   a  
h

orizontal   plane   and   directed   from   the   outside  
t

owards   the   inside   of   the   vehicle.
The
  curtain   airbag   inflates   between   the   front   or  
r

ear   occupant   of   the   vehicle   and   the   windows.
System
 
which
 
protects
 
the
 
driver
 
and
 
front
 p
assenger
 
in
 
the
 
event
 
of
 
a
 
serious
 
side
 
impact
 i
n
 
order
 
to
 
limit
 
the
 
risk
 
of
 
injury
 
to
 
the
 
chest,
 
b

etween
 
the
 
hip
 
and
 
the
 
shoulder.
Each
 
lateral
 
airbag
 
is
 
fitted
 
in
 
the
 
seat
 
backrest
 
f

rame,
 
door
 
side. System
  which   contributes   towards   improving  
t

he   protection   of   the   driver   and   passengers  
(

with   the   exception   of   the   rear   centre  
p

assenger)   in   the   event   of   a   serious   side  
i

mpact   in   order   to   limit   the   risk   of   injury   to   the  
s

ide   of   the   head.
Each   curtain   airbag   is   built   into   the   pillars   and  
t

he   upper   passenger   compartment   area.
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Advice
Front airbags
Do not drive holding the steering wheel by its spokes   or   resting   your   hands   on   the   centre  
p

art   of   the   wheel.
Passengers
  must   not   place   their   feet   on   the  
das

hboard.
Do
  not   smoke   as   deployment   of   the   airbags  
c

an   cause   burns   or   the   risk   of   injury   from   a  
c

igarette   or   pipe.
Never
  remove   or   pierce   the   steering   wheel   or  
h

it   it   violently.
Do
  not   fit   or   attach   anything   to   the   steering  
w

heel  
o
r  
d
ashboard,  
t
his  
c
ould  
c
ause  
i
njuries  
w

ith   deployment   of   the   airbags.
Lateral airbags
Use only approved covers on the seats, compatible   with   the   deployment   the   lateral  
a

irbags.   For   information   on   the   range   of   seat  
c

overs suitable for your vehicle, you can
contact
  a   CITROËN dealer.
For
  more   information   on   accessories,   refer  
t

o   the   corresponding   section.
Do
  not   fix   or   attach   anything   to   the   seat  
b

acks   (clothing...).   This   could   cause   injury  
t

o   the   chest   or   arms   if   the   lateral   airbag   is  
d

eployed.
Do not sit with the upper part of the body any
nearer
  to   the   door   than   necessary.
Curtain airbags
Do not fix or attach anything to the roof. This could   cause   injury   to   the   head   if   the   curtain  
a

irbag   is   deployed.
If
  fitted   on   your   vehicle,   do   not   remove   the  
g

rab   handles   installed   on   the   roof,   they   play  
a

  part   in   securing   the   curtain   airbags.
Sit
 
in
 
a
 
normal
 
upright
 
position.
Wear
 
a
 
correctly
 
adjusted
 
seat
 
belt.
Do
 
not
 
leave
 
anything
 
between
 
the
 
o

ccupants
 
and
 
the
 
airbags
 
(a
 
child,
 
pet,
 
o

bject...),
 
nor
 
fix
 
or
 
attach
 
anything
 
close
 
to
 
t

he
 
inflation
 
trajectory
 
of
 
the
 
airbags;
 
this
 
c

ould
 
cause
 
injuries
 
during
 
their
 
deployment.
Never
 
modify
 
the
 
original
 
definition
 
of
 
your
 
v

ehicle, particularly in the area directly
around
 
the
 
airbags.
After an accident or if the vehicle has been
stolen
 
or
 
broken
 
into,
 
have
 
the
 
airbag
 
s

ystems
 
checked.
All
 
work
 
on
 
the
 
airbag
 
system
 
must
 
be
 
c

arried out by a CITROËN dealer or a
qualified
 w

orkshop.
Even
 
if
 
all
 
of
 
the
 
precautions
 
mentioned
 
a

re
 
observed,
 
a
 
risk
 
of
 
injury
 
or
 
of
 
minor
 
b

urns
 
to
 
the
 
head,
 
chest
 
or
 
arms
 
when
 
an
 a
irbag
 
is
 
deployed
 
cannot
 
be
 
ruled
 
out.
 
The
 b
ag
 
inflates
 
almost
 
instantly
 
(within
 
a
 
few
 
m

illiseconds)
 
then
 
deflates
 
within
 
the
 
same
 
t

ime
 
discharging
 
the
 
hot
 
gas
 
via
 
openings
 
p

rovided
 
for
 
this
 
purpose.
For the airbags to be fully effective, observe the safety recommendations below:
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General points relating to child seats
Although one of CITROËN main criteria when designing your vehicle, the safety of your children also   depends   on   you.
*
  
T
he   regulations   on   carrying   children   are  
s

pecific   to   each   country.   Refer   to   the  
l

egislation   in   force   in   your   country.
For
  maximum   safety,   please   observe   the  
f

ollowing
 r
ecommendations:
-
 
i
n   accordance   with   European   regulations,  
a

ll children under the age of 12 or less
than one and a half metres tall must
travel in approved child seats suited to
their weight , on seats fitted with a seat
belt
  or   ISOFIX   mountings*,
-

s
tatistically, the safest seats in your
vehicle for carr ying children are the
rear seats,
-

a c
hild weighing less than 9 kg must
travel in the rear ward facing position
both in the front and in the rear. CITROËN recommends
that children
should travel on the rear seats of your
vehicle:
-

r
earward facing
 

up   to   the   age   of   3,
-

fo
rward facing
 

over   the   age   of   3.
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Passenger seat adjusted to the intermediate
longitudinal and highest position.
Child seat in the front*
Rearward facingForward facing
When a rear ward facing child seat is installed o
n the front passenger seat ,
  adjust   the   seat  
t

o   the   intermediate   longitudinal   and   highest  
p

osition,   with   the   backrest   straightened.
The
  passenger's   front   airbag   must   be  
d

eactivated.
 O
therwise,
 t
he child risks being
seriously injured or killed if the airbag were
to inflate . When
  a   for ward   facing   child   seat   is   installed  o
n the front passenger seat,
  adjust   the  
v

ehicle's   seat   to   the   intermediate   longitudinal  
a

nd   highest   position   with   seat   backrest  
s

traightened   and   leave   the   passenger's   front  
a

irbag   activated.
*
  
R
efer   to   the   current   legislation   in   your   country  
b

efore   installing   a   child   seat   on   this   seat.Ensure that the seat belt is correctly
tensioned.
For
  child   seats   with   a   support   leg,  
e

nsure   that   the   support   leg   is   in   stable  
c

ontact   with   the   floor.   If   necessary,  
a

djust
 t
he
 p
assenger
 sea
t.
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Passenger airbag OFF
Deactivating the passenger's front airbag
The warning label present on both sides of the passenger's   sun   visor   repeats   this   advice.   In  
l

ine   with   current   legislation,   the   following   tables  
c

ontain   this   warning   in   all   of   the   languages  
r

equired.
For
  information   on   deactivating   the  
p

assenger's   front   airbag,   refer   to   the  
"

Airbags"   section.
Never
 
install
 
a
 
rear ward
 
facing
 
child
 
r

estraint
 
system
 
on
 
a
 
seat
 
protected
 
by
 
a

n
 
active
 
front
 
airbag.
 
This
 
could
 
cause
 
t

he
 
death
 
of
 
the
 
child
 
or
 
serious
 
injury.
5
Safety