Citroen C4 DAG 2014.5 2.G Owner's Manual

99
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C4-2_en_Chap09_conduite_ed01-2014
Manual operation
F Select position M for sequential
changing   of   the   six   gears.
F
 
Push
 
the
 
lever
 
towards
 
the
 
+
 
sign
 
to
 
change

  up   a   gear.
F
 
Pull
 
the
 
lever
 
towards
 
the
 
-
 
sign
 
to
 
change

  down   a   gear.
It
 
is
 
only
 
possible
 
to
 
change
 
from
 
one
 
gear

 
to
 
another
 
if
 
the
 
vehicle
 
speed
 
and
 
engine

 
speed
 
permit;
 
otherwise,
 
the
 
gearbox

 
will
 
operate
 
temporarily
 
in
 
au
-
tomatic
  mode.D
 
disappears
 
and
 
the
 
gears
 
engaged

 
appear
 
in
 
succes
-
sion
  in   the   instrument   panel.
If
 
the
 
engine
 
speed
 
is
 
too
 
low
 
or

 
too
 
high,
 
the
 
gear
 
selected
 
flashes

 
for
 
a
 
few
 
seconds,
 
then
 
the
 
ac
-
tual
  gear   engaged   is   displayed.
It
 
is
 
possible
 
to
 
change
 
from
 
position
 
D

(automatic)
 
to
 
position
 
M
 
(manual)
 
at
 
any

  time.
When
 
the
 
vehicle
 
is
 
stationary
 
or
 
mov
-
ing
 
very
 
slowly
,  
the
 
gearbox
 
selects
 
gear

  M1   automatically.
The
 
sport
 
and
 
snow
 
programmes
 
do
 
not

  operate   in   manual   mode.Invalid value during manual
operation
This  symbol  is  displayed  if  a  
gear

 
is
 
not
 
engaged
 
correctly
 
(selector between two posi

-
tions).
Stopping the vehicle
Before switching  of f  the  engine,  you  can
 engage  position  P or N to place the
gearbox
  in   neutral.
In
 
both
 
cases,
 
apply
 
the
 
parking
 
brake
 
to

 
immobilise
 
the
 
vehicle,
 
unless
 
it
 
is
 
programmed

  to   automatic   mode.
If the lever is not in position P,
when
 
the
 
driver's
 
door
 
is
 
opened
 
or

 
approximately
 
45
 
seconds
 
after

 
the
 
ignition
 
is
 
switched
 
of
f,  
there

 
is
 
an
 
audible
 
signal
 
and
 
a
 
message

  appears.
F

Return
the lever to posi-
tion

P
;  
the
 
audible
 
signal
 
stops

 
and
 
the
 
message
 
dis
-
appears. You
  risk   damaging   the   gearbox:
-
 
if
 
you
 
press
 
the
 
accelera
-
tor
 
and
 
brake
 
pedals
 
at
 
the
 
same

  time,
-
 
if
 
you
 
force
 
the
 
lever
 
from
 
position P

to another position
when
  the   battery   is   flat.
When
 
the
 
ignition
 
is
 
on,
 
the

 
lighting
 
of
 
this
 
warning
 
lamp,

 
accompanied
 
by
 
an
 
audible

 
signal
 
and
 
a
 
message
 
in
 
the
 
multifunction

 
screen,
 
indicates
 
a
 
gear
-
box   malfunction.
In  
this
 
case,
 
the
 
gearbox
 
switches
 
to
 
back-up

 
mode
 
and
 
is
 
locked
 
in
 
3rd
 
gear

.  
Y
ou  
may
 
feel
 
a
 
substantial
 
knock
 
when

 
changing
 
from
 
P
to R  
and
 
from
 
N

to R.  This  will  not  cause  any  damage  to  the
  gearbox.
Do
 
not
 
exceed
 
60
 
mph
 
(100
 
km/h),
 
lo
-
cal
  speed   restrictions   permitting.
Have
 
it
 
checked
 
by
 
a
 
CITROËN
 
dealer
 
or

  a   qualified   workshop.
This
 
warning
 
lamp
 
may
 
also
 
come
 
on
 
if
 
a

  door   is   opened.
Operating fault
To reduce fuel  consumption  when
 stationary  for  long  periods  
with

 
the
 
engine
 
running
 
(traf
-
fic
 
jam...),
 
position
 
the
 
gear
 
le
-
ver at
N  
and
 
apply
 
the
 
parking
 
brake,

 
unless
 
it
 
is
 
programmed
 
in

  automatic   mode.
When
 
driving

 
through

 
flooded

 
roads

 
or

 
crossing

 
a

 
ford,

 
drive

 
at

 
walking

 
speed.
DRIVING

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C4-2_en_Chap09_conduite_ed01-2014
HILL START ASSIST
System which  keeps  your  vehicle  im -
mobilised  temporarily  (approximately  
2

 
seconds)
 
when
 
starting
 
on
 
a
 
gradi
-
ent,
 
the
 
time
 
it
 
takes
 
to
 
move
 
your
 
foot
 
from

 
the
 
brake
 
pedal
 
to
 
the
 
accelerator
 
pedal.
This

  function   is   only   active   when:
-
 
the
 
vehicle
 
is
 
completely
 
stationary
,  
with

  your   foot   on   the   brake   pedal,
-
 
when
 
certain
 
conditions
 
of
 
gradient
 
are

  met,
-
 
with
  the   driver’s   door   closed.
The hill start assist function cannot be
deactivated. On an ascending slope, with the ve-
hicle stationary, the vehicle is held
for a brief moment when you release
the brake pedal:
-
 
if
 
you
 
are
 
in
 
first
 
gear
 
or
 
neutral
 
with
 
a

  manual   gearbox,
-
 
if
 
you
 
are
 
in
 
position
 
A
or M with an
electronic
  gearbox,
-
 
if
 
you
 
are
 
in
 
position
 
D
or M with an
automatic
  gearbox.
Operation
do not leave the vehicle while it
is  being  held  in  the  hill  start  as -
sist
  phase.
If
 
you
 
need
 
to
 
leave
 
the
 
vehi
-
cle
 
while
 
the
 
engine
 
is
 
running,
 
apply

 
the
 
parking
 
brake
 
manu
-
ally
 
then
 
ensure
 
that
 
the
 
parking
 
brake

 
warning
 
lamp
 
is
 
on
 
(not
 
flashing)

 
in
 
the
 
instrument
 
panel.On a descending slope, with the ve

-
hicle stationary and reverse gear en-
gaged, the vehicle is held for a brief
moment when you release the brake
pedal.Operating fault
If a  fault  occurs  with  the  system,  these  warning
 lamps  come  on.  Contact  a  
CITROËN

 
dealer
 
or
 
a
 
qualified
 
work
-
shop
  to   have   the   system   checked.
DRIVING

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C4-2_en_Chap09_conduite_ed01-2014
GEAR SHIFT INDICATOR*
Operation
Depending on  the  driving  situation  and  your
 vehicle's  equipment,  the  system  
may

 
advise
 
you
 
to
 
skip
 
one
 
(or
 
more)
 
gear(s).

 
Y
ou  
can
 
follow
 
this
 
instruc
-
tion
 
without
 
engaging
 
the
 
intermediate
 
gears.
The

 
gear
 
engagement
 
recommenda
-
tions
 
must
 
not
 
be
 
considered
 
compulso
-
ry.
  In  
fact,
 
the
  configuration  
of
 
the
  road,  
the

 
amount
 
of
 
traffic
 
and
 
safety
 
remain
 
determining

 
factors
 
when
 
choosing
 
the
 
best

 
gear
.  
Therefore,
 
the
 
driver
 
remains
 
responsible

 
for
 
deciding
 
whether
 
or
 
not
 
to

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

  a   higher   gear.The
 
information
 
appears
 
in
 
the
 
instru
-
ment   panel   in   the   form   of   an   arrow.
The  
system
 
adapts
 
its
 
gear
 
change

 
recommendation
 
ac
-
cording
 
to
 
the
 
driving
 
conditions
 
(slope,

 
load, 
...)  
and
 
the
 
de
-
mands
 
of
 
the
 
driver
 
(power
,  
ac
-
celeration,
  braking, ...).
The
  system   never   suggests:
-
 
engaging
  first   gear,
-
 
engaging
  reverse   gear,
System
 
which
 
reduces
 
fuel
 
consump
-
tion  
by
 
recommending
 
the
 
most
 
appro
-
priate   gear.
With  
an
 
electronic
 
or
 
automatic
 
gear
-
box,
 
the
 
system
 
is
 
only
 
active
 
in
 
manual
 
mode.
*

  Depending   on   engine. On
 
vehicle
 
fitted
 
with
 
a
 
manual
 
gear
-
box,  
the
 
arrow
 
may
 
be
 
accompanied
 
by
 
the

  gear   recommended.
DRIVING

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C4-2_en_Chap09_conduite_ed01-2014
TYRE UNDER-INFLATION DETECTION
System which automatically  checks  the  pressures
  of   the   tyres   while   driving.
The
 
system
 
continuously
 
monitors
 
the
 
pressures of the four tyres, as soon as
the

  vehicle   is   moving.
A
 pressure

 
sensor
 
is
 
located
 
in
 
the
 
valve

 
of
 
each
 
tyre
 
(except
 
the
 
spare
 
wheel).
The

 
system
 
triggers
 
an
 
alert
 
if
 
a
 
drop
 
in

 
pressure
 
is
 
detected
 
in
 
one
 
or
 
more
 
tyres. This

 
system
 
does
 
not
 
avoid
 
the
 
need

 
to
 
check
 
the
 
tyre
 
pressures
 
regularly

 
(including
 
the
 
spare
 
wheel)

  and   before   a   long   journey.
Driving  
with
 
under-inflated
 
tyres
 
adversely

 
af
fects  
road
 
holding,
 
extends

 
braking
 
distances
 
and
 
causes

 
premature
 
tyre
 
wear
,  
particularly

 
under
 
arduous
 
con
-
ditions  
(vehicle
 
loaded,
 
high
 speed,
  long   journey).
Driving  
with
 
under-inflated
 
tyres
 
increases

  fuel   consumption.The tyre pressures for your vehi-
cle
 
can
 
be
 
found
 
on
 
the
 
tyre
 
pres
-
sure  
label
 
(see
 
the
 
"Identification
 
markings"

  section).
The  
tyre
 
pressures
 
must
 
be
 
checked

 
when
 
the
 
tyres
 
cold
 
(vehicle

 
stopped
 
for
 
1
 
hour
 
or
 
af
-
ter  
driving
 
for
 
less
 
then
 
6
 
miles
 
(10

 
km)
 
at
 
moderate
 
speed).
 
Otherwise,

 
add
 
0.3
 
bar
 
to
 
the
 values
  indicated   on   the   label.
The  
tyre
 
under-inflation
 
detection
 
sys
-
tem
 
is
 
an
 
aid
 
to
 
driving
 
which
 
does
 
not
 
replace

 
the
 
need
 
for
 
vigilance
 
on
 
the
 
part

  of   the   driver.
DRIVING

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C4-2_en_Chap09_conduite_ed01-2014
The flashing and  then  fixed  illu
mination  of  the  under-
inflation
 
warning
 
lamp
 
accom
-
panied
 
by
 
the
 
illu
mination  
of
 
the

 
service
 
warning
 
lamp
 
indi
-
cates
  a   fault   with   the   system.
Operating fault
The alert is  given  by  the  fixed  il -
lumination  of  this  warning  lamp, accompanied

 
by
 
an
 
audible signal,

 
and
 
depending
 
on
 
equip
-
ment,
 
the
 
display
 
of
 
a
 
message.
Under-inflation alert
The alert is  maintained  until  the  tyre
 or  tyres  concerned  is  rein -
flated,
  repaired   or   replaced.
The
 
spare
 
wheel
 
(space-saver
 
type

 
or
 
a
 
steel
 
rim)
 
does
 
not
 
have

  a   sensor.
The
 
loss
 
of
 
pressure
 
detected
 
does

 
not
 
always
 
lead
 
to
 
visible
 
deformation

 
of
 
the
 
tyre.
 
Do
 
not
 
rely

  on   just   a   visual   check. This
 
alert
 
is
 
also
 
displayed
 
when
 
one

 
or
 
more
 
wheels
 
is
 
not
 
fit
-
ted  
with
 
a
 
sensor
 
(for
 
example,
 
a

 
space-saver
 
or
 
steel
 
spare
 
wheel).
In

 
the

 
event

 
of

 
a

 
problem

 
on

 
one

 
of

 
the

 
tyres,

 
the

 
symbol

 
or

 
the

 
message

 
ap

-
pears,
 
according

 
to

 
equipment,

 
to

 
iden

-
tify
 
it. F
 
Reduce
 
speed,
 
avoid
 
sudden
 
steer
-
ing  
movements
 
or
 
harsh
 
brake
 
ap
-
plications.
F
 
Stop
  as   soon   as   it   is   safe   to   do   so.
In  
this
 
case,
 
monitoring
 
of
 
the
 
tyre
 
pres
-
sures   is   not   assured.
F
 
If

 
you
 
have
 
a
 
compressor
 
(the
 
one
 
in

 
the
 
temporary
 
puncture
 
repair
 
kit
 
for

 
example),
 
check
 
the
 
four
 
tyre
 
pressures

  when   cold.
 If

 
it
 
is
 
not
 
possible
 
to
 
check
 
the
 
tyre
 
pressures

 
at
 
the
 
time,
 
drive
 
care
-
fully   at   reduced   speed.
or
F


In the event of a puncture, use the
temporary

 
puncture
 
repair
 
kit
 
or
 
the
 
spare

 
wheel
 
(according
 
to
 
equip
-
ment).
Go  
to
 
a
 
CITROËN
 
dealer
 
or
 
a
 
qualified
 
workshop 

to  
have
 
the
 
system
 
checked
 or
,  following  the  repair  of  a  puncture,  to  have
 the  original  wheel,  equipped  with  
a

  sensor,   refitted.
Any
 
tyre
 
repair
 
or
 
replacement
 
on
 
a
 
wheel

 
fitted
 
with
 
this
 
system
 
must
 
be
 
carried

 
out
 
by
 
a
 
CITROËN
 
dealer
 
or
 
a
 
qualified

  workshop.
If
 
after
 
changing
 
a
 
tyre,
 
a
 
wheel
 
is
 
not
 
detected

 
by
 
your
 
vehicle
 
(fitting
 
snow
 
tyres

 
for
 
example),
 
you
 
must
 
have
 
the
 
system

 
reinitialised
 
by
 
a
 
CITROËN
 
dealer

  or   a   qualified   workshop.
DRIVING

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C4-2_en_Chap09_conduite_ed01-2014
STOP & START
The Stop &  Start  system  puts  the  en -
gine  temporarily  into  standby  -  ST OP mode

 
-
 
during
 
stops
 
in
 
the
 
traffic
 
(red
 
lights,

 
traffic
 
jams,
 
or
 
other
...).  
The
 
en
-
gine
 
restarts
 
automatically
 
-
 
ST
ART
 mode

 
-
 
as
 
soon
 
as
 
you
 
want
 
to
 
move
 
of

f.  
The
 
restart
 
takes
 
place
 
instantly
,  
quickly

  and   silently.
Perfect for urban use, the Stop & Start
system
 
reduces
 
fuel
 
consumption
 
and
 
exhaust

 
emissions
 
as
 
well
 
as
 
the
 
noise
 
level

  when   stationary.
Operation
Going into engine STOP mode
The "ECO"  warning  lamp  comes  on in
 the  instrument  panel  and  the  en -
gine
  goes   into   standby   automatically:
- with a manual gearbox,  at  speeds  below
 12  mph  (20  km/h),  or  vehi -
cle
 
stationary
 
with
 
e-THP 130
 
and
 
b
lueH d i
d
iesel versions, when you
put
 
the
 
gear
 
lever
 
into
 
neutral
 
and
 
release

  the   clutch   pedal, If
 
your
 
vehicle
 
is
 
fitted
 
with
 
the

 
system,
 
a
 
time
 
counter
 
calculates

 
the
 
sum
 
of
 
the
 
periods

 
in
 
ST
OP
 mode
 
dur
-
ing  
a
 
journey
.  
It
 
resets
 
itself
 
to
 
zero
 
ev
-
ery  
time
 
the
 
ignition
 
is
 
switched
 
on
 
with
 
the

  key.
-  
with
an electronic gearbox, at a
speed
 
below
 
5
 
mph
 
(8
 
km/h),
 
when
 
you

 
press
 
the
 
brake
 
pedal
 
or
 
put
 
the
 
gear

  lever   into   position   N.With
 
an
 
electronic
 
gearbox,
 
for
 
your

 
comfort
 
during
 
parking
 
maoeuvres,

 
ST
OP
 mode
 
is
 
not
 
available

 
for
 
a
 
few
 
seconds
 
after
 
coming

  out   of   reverse   gear.
STOP
 mode
 
does
 
not
 
af
fect  
the
 
functionality of the vehicle, such
as

 
braking,
 
power
 
steering,
 
for
 
example.Special cases: ST
OP mode
unavailable
STOP
 
mode   is   not   invoked   when:
-  
the
 
vehicle
 
is
 
on
 
a
 
steep
 
slope
 
(up
 
or

  down),
-  
the
  driver's   door   is   open,
-  
the
 
driver's
 
seat
 
belt
 
is
 
not
 
fastened,
-
 
the
 
vehicle
 
has
 
not
 
exceeded
 
6
 
mph
 
(10

 
km/h)
 
since
 
the
 
last
 
engine
 
start
 
using

  the   key,
-  
the
 
electric
 
parking
 
brake
 
is
 
applied
 
or

  being   applied,
-  
the
 
engine
 
is
 
needed
 
to
 
maintain
 
a
 
comfortable

 
temperature
 
in
 
the
 
pas
-
senger   compartment,
-  
demisting
  is   active,
-  
some
 
special
 
conditions
 
(battery
 
charge,

 
engine
 
temperature,
 
brak
-
ing  
assistance,
 
ambient
 
tempera
-
ture...)  
where
 
the
 
engine
 
is
 
needed
 
to

  assure   control   of   a   system.
In this case, the "ECO" warn-
ing  lamp  flashes  for  a  few  sec -
onds,
  then   goes   off.
Never
 
refuel
 
with
 
the
 
engine
 
in
 
ST

OP
 mode;
 
you
 
must
 
switch
 
of
f  the
  ignition   with   the   key.
This operation is perfectly normal.
DRIVING

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C4-2_en_Chap09_conduite_ed01-2014
DeactivationGoing into engine START modeAt  
any
 
time,
 
press
 
the
 
"ECO OFF"

switch
  to   deactivate   the   system.
This
 
is
 
confirmed
 
by
 
the
 
switch
 
warning
 
lamp

 
coming
 
on
 
accompanied
 
by
 
the
 
display

  of   a   message.
Special cases: START invoked
automatically
If
 
the
 
system
 
has
 
been
 
deacti
-
vated
 
in
 
ST
OP
 mode,
 
the
 
engine
 
restarts

  immediately.
The
"ECO"
 
warning
 
lamp
 
goes
 
of

f  
and
 
the
 
engine
 
starts
 
auto
-
matically:
-
 
with a manual gearbox
, when you
fully
  depress   the   clutch   pedal,
-
 
with an electronic gearbox
:
●
 gear

 
lever
 
in
 
position
 
A or

M, when
you
  release   the   brake   pedal,
●
 
or
 
gear
 
lever
 
in
 
position
 
N
 
and
 
the
 
brake

 
pedal
 
released,
 
when
 
you
 
move

 
the
 
gear
 
lever
 
to
 
position
 
A

or M,
●
 
or
 
when
 
you
 
engage
 
reverse
 
gear

. For
 
safety
 
reasons
 
or
 
to
 
ensure
 
smooth
 
operation,

 
ST
ART
 mode
 
is
 
invoked
 
au
-
tomatically
  when:
-
 
you
  open   the   driver's   door,
-
 
you
  unfasten   the   driver's   seat   belt,
-
 
the
 
speed
 
of
 
the
 
vehicle
 
exceeds
 
15 

mph  
(25
 
km/h)
 
with
 
a
 
manu
-
al
 
gearbox
 
(3
 
km/h
 
(2
 
mph)
 
with
 

e-THP 130

 
and
 
BlueHDi
 
Diesel
 
ver
-
sions)
 
or
 
7 
mph  
(1
1  
km/h)
 
with
 
an
 
electronic

  gearbox,
-
 
the
 
electric
 
parking
 
brake
 
is
 
being
 
applied,
-

 
some
 
special
 
conditions
 
(battery
 
charge,

 
engine
 
temperature,
 
brak
-
ing
 
assistance,
 
ambient
 
tempera
-
ture...)
 
where
 
the
 
engine
 
is
 
needed
 
to

  assure   control   of   a   system.
In this case the "ECO"
 
warning
 
lamp

 
flashes
 
for
 
few
 
seconds,
 
then

  goes   off.
With
 
a
 
manual
 
gearbox
 
in
 
ST
OP
 mode,

 
if
 
a
 
gear
 
is
 
engaged
 
with
-
out
 
fully
 
depressing
 
the
 
clutch
 
pedal,

 
a
 
warning
 
lamp
 
comes
 
on

 
or
 
an
 
alert
 
message
 
is
 
dis
-
played
 
asking
 
you
 
to
 
depress
 
the

 
clutch
 
pedal
 
to
 
restart
 
the
 
engine.
Reactivation
Press the "ECO OFF" switch again.
The  
system
 
is
 
active
 
again;
 
this
 
is
 
con
-
firmed
 
by
 
the
 
switch
 
warning
 
lamp
 
go
-
ing
  off   and   the   display   of   a   message.
The
 
system
 
is
 
reactivated
 
auto
-
matically
 
at
 
every
 
new
 
start
 
us
-
ing
  the   key.
This operation is perfectly normal.
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C4-2_en_Chap09_conduite_ed01-2014
Maintenance
In the event  of  a  malfunction  with  the  system,
 the  "ECO OFF" switch warn-
ing
 
lamp
 
flashes,
 
then
 
comes
 
on
 
con
-
tinuously.
have
 
it
 
checked
 
by
 
a
 
CITROËN
 
dealer
 
or

  a   qualified   workshop.
Operating fault
Before doing anything  under  the  bonnet,
 deactivate  the  Stop  &  
Start

 
system
 
to
 
avoid
 
any
 
risk
 
of
 
injury

 
resulting
 
from
 
automatic
 
operation

  of   START
 
mode.
This
 
system
 
requires
 
a
 
specific
 
battery
 
with

 
a

 
special
 
specification
 
and
 
technol
-
ogy
 
(reference
 
numbers
 
available
 
from
 
a

 
CITROËN
 
dealer
 
or
 
a
 
qualified
 
work
-
shop).
Fitting
 
a
 
battery
 
not
 
listed
 
by
 
CITROËN 

introduces  
the
 
risk
 
of
 
mal
-
function
  of   the   system.
The
 
Stop
 
&
 
Start
 
system
 
makes
 
use

 
of
 
advanced
 
technology
.  
All
 
work

 
on
 
this
 
type
 
of
 
battery
 
must
 
be

 
done
 
only
 
by
 
a
 
CITROËN
 
dealer

  or   a   qualified   workshop.
In the event of a fault in ST
o

P
mode,
 
the

 
vehicle

 
may

 
stall.

 
All

 
of

 
the

 
instrument

 
panel

 
warning

 
lamps

 
come
 
on.
Depending
 
on

 
version,

 
an

 
alert

 
message

 
may

 
also

 
be

 
displayed

 
asking

 
you

 
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

 
en

-
gine
 
using
 
the
 
key.
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C4-2_en_Chap09_conduite_ed01-2014
LANE DEPARTURE WARNING SYSTEM
The lane departure  warning  sys -
tem  cannot  in  any  circumstanc -
es
 
replace
 
the
 
need
 
for
 
vigilance
 
on

  the   part   of   the   driver.
It
 
is
 
necessary
 
to
 
observe
 
driv
-
ing
 
regulations
 
and
 
take
 
a
 
break
 
every

  two   hours.
Activation
F Press this  button,  the  indicator  lamp  comes
  on.
Deactivation
F Press this  button  again,  the  indica -
tor   lamp   goes   off.
The
 
status
 
of
 
the
 
system
 
remains
 
in
 
the
 
memory

 
when
 
the
 
ignition
 
is
 
switched
 
of

f.
Detection
You are  warned  by  the  vibration  of  the  driver's
  seat   cushion:
-
 
on
 
the
 
right-hand
 
side,
 
if
 
the
 
mark
-
ing
 
on
 
the
 
ground
 
has
 
been
 
crossed
 
on

  the   right,
-
 
on
 
the
 
left-hand
 
side,
 
if
 
the
 
marking
 
on

 
the
 
ground
 
has
 
been
 
crossed
 
on
 
the

  left.
No
 
warning
 
is
 
transmitted
 
while
 
the
 
direction

 
indicator
 
is
 
active
 
and
 
for
 
ap
-
proximately
 
20
 
seconds
 
after
 
the
 
direc
-
tion
  indicator   is   switched   off.
A
 warning

 
may
 
be
 
transmitted
 
if
 
a
 
direc
-
tion
 
marking
 
(e.g.
 
arrow)
 
or
 
non-standard marking

  (e.g.   graffiti)   is   crossed.
Operating fault
The detection may be impeded:
-  
if
 
the
 
sensors
 
are
 
dirty
 
(mud,
 
snow

...),
-
 
if
 
the
 
markings
 
on
 
the
 
ground
 
are worn,
-

 
if
 
there
 
is
 
little
 
contrast
 
be
-
tween
 
the
 
markings
 
on
 
the
 
ground

 
and
 
the
 
road
 
surface.
System

 
which

 
detects

 
the

 
involuntary

 
crossing

 
of

 
longitudinal

 
traffic

 
lane

 
markings

 
on

 
the

 
ground

 
(solid

 
or

 
bro

-
ken
 
line).
Sensors,
 
fitted

 
below

 
the

 
front

 
bumper

,
 
trigger

 
a

 
warning

 
if

 
the

 
vehicle

 
drifts

 
over

 
a

 
lane

 
marking

 
(speed

 
higher

 
than

 
50

 
mph
 
(80
 
km/h)).
This
 
system

 
is

 
particularly

 
useful

 
on

 
motorways

 
and
 
main
 
roads. In
 
the
 
event
 
of
 
a
 
malfunction,
 
the

 
service
 
warning
 
lamp
 
comes

 
on,
 
accompanied
 
by
 
an

 
audible
 
signal
 
and
 
a
 
message
 
in
 
the
 
screen.
Contact

 
a
 
CITROËN
 
dealer
 
or
 
a
 
quali
-
fied
 
workshop.
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C4-2_en_Chap09_conduite_ed01-2014
BLIND SPOT SENSORS
This driving assistance  system  warns  the
 driver  of  the  presence  of  another  
vehicle

 
in
 
the
 
blind
 
spot
 
angle
 
of
 
their
 
vehicle

 
(areas
 
masked
 
from
 
the
 
driver's
 
field

 
of
 
vision),
 
as
 
soon
 
as
 
this
 
presents
 
a

  potential   danger.
Operation
F On switching  on  the  ignition,  or  en -
gine  running,  press  this  button  to  
activate

 
the
 
function;
 
the
 
warning
 
lamp

  comes   on.
This
 
system

 
is

 
designed

 
to

 
im

-
prove
 
safety

 
when

 
driving

 
and

 
is

 
in

 
no

 
circumstances

 
a

 
substitute

 
for

the use of the interior rear
view
 
mirror

 
and

 
door

 
mirrors.

 
It

 
is

 
the

 
driver's

 
responsibility

 
to

 
constantly

 
check

 
the

 
traffic,

 
to

 
asses

 
the

 
distances

 
and

 
relative

 
speeds

 
of

 
other

 
vehicles

 
and

 
to

 
predict

 
their

 
movements

 
before

 
deciding

 
whether

 
to

 
change

 
lane.
The

 
blind

 
spot

 
sensor

 
system

 
can

 
never

 
replace

 
the

 
need

 
for

 
vigilance

 
on

 
the

 
part

 
of

 
the

 
driver

. Sensors
 
fitted
 
in
 
the
 
front
 
and
 
rear
 
bum
-
pers
  monitor   the   blind   spots.
A warning
 lamp
 appears
 in
 the
 door
 mirror
 
on
 
the
 
side
 
in
 
question:
-
 
immediately

,
 
when

 
being

 
overtaken,
-

 
after

 
a

 
delay

 
of

 
about

 
one

 
second,

 
when

 
overtaking
 
a
 
vehicle
 
slowly.
DRIVING