2015 Citroen DS3 brake

11 9
DS3_en_Chap04_conduite_ed01-2015
Hill start assist
System which holds your vehicle temporarily (approximately   2   seconds)   when   starting   on   a  
s

lope,   the   time   it   takes   to   move   your   foot   from  
t

he   brake   pedal   to   the   accelerator   pedal.
This
  function   is   only   active   when:
-
 
t
he   vehicle   is   completely   stationary,   with  
y

our   foot   on   the   brake   pedal,
-
 
c
ertain   conditions   on   a   slope   are   met,
-
 
w
ith   the   driver’s   door   closed.
The hill start assist function cannot be
deactivated.
On an ascending slope, with the vehicle
stationary, the vehicle is held momentarily
when you release the brake pedal:
-
 
p
rovided   you   are   in   automated   mode  
(

position
 A)

  or   in   manual   mode   (position   M)
 
w

ith   an   electronic   gearbox.
Do not leave the vehicle while it is
being
  held   in   the   hill   start   assist   phase.
If you need to leave the vehicle with
the
  engine   running,   manually   apply  
t

he   parking   brake   then   ensure   that   the  
p

arking   brake   warning   lamp   is   on   (not  
f

lashing)   in   the   instrument   panel.Operation
On a descending slope, with the vehicle
stationary and reverse gear engaged, the
vehicle is held momentarily when you
release the brake pedal.
Operating fault
If a malfunction of the system occurs, these warning   lamps   come   on.   Contact   a   CITROËN  
d

ealer   or   a   qualified   workshop   to   have   the  
s

ystem   checked.
driving

DS3_en_Chap04_conduite_ed01-2015
Cruise control
System which automatically maintains the speed   of   the   vehicle   at   the   value   programmed  
b

y the driver, without any action on the
accelerator
 ped

al.
The cruise control is switched on
 m

anually:
 it r

equires   a   minimum   vehicle   speed   of   25   mph  
(

40   km/h),   as   well   as   the   engagement   of:
-
 
f
ourth   gear   on   a   manual   gearbox,
-
 
s
econd   gear   on   a   or   automatic   or   electronic  
g

earbox,   in   sequential   mode,
-
position A
  on   an   electronic   gearbox   or  
p

osition d  on   an   automatic   gearbox.
The cruise control is switched off
 m

anually
 o

r   by   pressing   the   brake   or   clutch   pedal   or   on  
t

riggering   of   the   trajectory   control   systems   for  
s

afety   reasons.
It
  is   possible   to   exceed   the   programmed   speed  
t

emporarily   by   pressing   the   accelerator   pedal.
To
  return   to   the   programmed   speed,   simply  
r

elease   the   accelerator   pedal.
Switching
  off   the   ignition   cancels   any  
p

rogrammed   speed   value. The
  controls   of   this   system   are   grouped  
t

ogether   on   stalk   A.
1.
 C

ruise   control   mode   selection   thumb   wheel.
2.
 V

alue   decrease   button.
3.
 V

alue   increase   button.
4.
 C

ruise   control   off/resume   button.Steering mounted controls
The cruise control cannot, in any
circumstances,  replace   the   need   to r

espect   speed   limits,   nor   can   it   replace   the
 n

eed   for   vigilance   on   the   part   of   the   driver.The
  programmed   information   is   grouped  
t

ogether   in   the   instrument   panel   screen.
5.
  C
ruise   control   off/resume   indication.
6.
  C
ruise   control   mode   selection   indication.
7.
  P
rogrammed   speed   value.
displays in the instrument panel

Braking assistance systems
Group of supplementary systems which help you   to   obtain   optimum   braking   in   complete  
s

afety   in   emergency   situations:
-
 
a
nti-lock   braking   system   (ABS),
-
 
e
lectronic   brake   force   distribution   (EBFD),
-
 
e
mergency   braking   assistance   (EBA).Anti-lock braking system
and electronic brake force
distribution
Linked systems which improve the stability and manoeuvrability   of   your   vehicle   when   braking,  
i

n   particular   on   poor   or   slippery   sur faces.
Activation
The anti-lock braking system comes into operation   automatically   when   there   is   a   risk   of  
w

heel   lock.
Normal
  operation   of   the   ABS   may   make   itself  
f

elt   by   slight   vibration   of   the   brake   pedal.
When
  braking   in   an   emergency,   press  
v

ery   firmly   without   releasing   the  
p

ressure.
Operating fault
If this warning lamp comes on, together   with   the   STOP and ABS
warning
  lamps,   accompanied   by   an  
a

udible
 
signal   and   a   message   in   the   screen,   it  
i

ndicates
 
a   malfunction   of   the   electronic   brake  
f

orce distribution which could result in loss of
control
 
of
  the   vehicle   when   braking.
You must stop as soon as it is safe to do so.
When
  replacing   wheels   (tyres   and  
r

ims),   ensure   that   they   conform   to   the  
ma

nufacturer's
 r
ecommendations.
If
  this   warning   lamp   comes   on,  
a

ccompanied   by   an   audible   signal  
a

nd   a   message   in   the   screen,   it  
i

ndicates
 
a   malfunction   of   the   anti-lock   braking  
s

ystem
 
which   could   result   in   loss   of   control   of  
t

he
 
vehicle   when   braking.
In either case, contact a CITROËN dealer or a
qualified
 w
orkshop.

151
DS3_en_Chap06_securite_ed01-2015
Emergency braking assistance
System which, in an emergency, enables you to   obtain   the   optimum   braking   pressure   more  
q

uickly,   thus   reducing   the   stopping   distance.
Activation
It is triggered by the speed at which the brake pedal   is   pressed.
The effect of this is a reduction in the
resistance of the pedal and an increase in
braking
 e

fficiency.
When
  braking   in   an   emergency,   press  
f

irmly   without   releasing   the   pressure.
Trajectory control systems
Anti-slip regulation (ASR)
and dynamic stability
control (
d
SC)
The anti-slip regulation (also known as traction control)   optimises   traction   to   prevent   skidding  
o

f   the   wheels,   by   acting   on   the   brakes   of   the  
d

riving   wheels   and   on   the   engine.
The electronic stability control acts on the
brake
  of   one   or   more   wheels   and   on   the   engine  
t

o   keep   the   vehicle   on   the   trajectory   required  
b

y   the   driver,   within   the   limits   of   the   laws   of  
p

hysics.Activation
These systems are activated automatically each   time   the   vehicle   is   started.
They
  come   into   operation   in   the   event   of   a   grip  
o

r
 t
rajectory
 pro
blem.
This
  is   indicated   by   flashing   of   this  
w

arning   lamp   in   the   instrument   panel.
Safety

153
DS3_en_Chap06_securite_ed01-2015
Active City Brake
Active City Brake is a driving assistance system   that   aims   to   avoid   a   frontal   collision  
o

r   reduce   the   speed   of   an   impact   if   the   driver  
d

oes   not   react   sufficiently   (inadequate   brake  
a

pplication). This
  system   is   designed   to   improve  
d

riving   safety.
It
  remains   the   driver's   responsibility   to  
c

ontinuously   monitor   the   state   of   the  
t

raffic and to assess the distances and
relative
  speeds   of   other   vehicles.
Active
  City   Brake   can   in   no  
c

ircumstances   replace   the   need   for  
v

igilance   on   the   part   of   the   driver.
Never
  look   at   the   laser   sensor   through  
an o

ptical
 in
strument
 (
magnifying
 g
lass,
 m

icroscope...)   at   a   distance   of   less   than  
1

0   centimetres:   risk   of   eye   injury.Automatic
  braking   occurs   later   than   if  
d

one by the driver, so as to intervene
only
  when   there   is   a   high   risk   of  
c

ollision.Principle
Using a laser sensor located at the top of the windscreen,   this   system   detects   a   vehicle  
r

unning   in   the   same   direction   or   stationary  
a

head   of   your   vehicle.
When
  necessary,   the   vehicle's   braking   system  
i

s   operated   automatically   to   avoid   a   collision  
w

ith   the   vehicle   ahead.
Conditions for activation
Active City Brake only operates if the following conditions   are   met:
●
 
i
gnition   on,
●
 
t
he   vehicle   is   in   a   for ward   gear,
●
 
s
peed   is   between   about   3   and   18   mph  
(5
  and   30   km/h),
●
 
t
he   braking   assistance   systems   (ABS,  
E

BFD,   emergency   braking   assistance)   are  
n

ot faulty,
●
 
t
he   trajectory   control   systems   (ASR,   DSC)  
a

re not deactivated or faulty,
●
 
t
he   vehicle   is   not   in   a   tight   corner,
●
 
t
he   system   has   not   been   triggered   during  
t

he   previous   10   seconds.
Safety

Operation
When your vehicle is too close to or
approaches  the   vehicle   ahead   too   quickly   the  
s

ystem   automatically   applies   the   brakes   to  
a

void   a   collision.
The
  collision   can   be   avoided   automatically   if   the
 d

ifference in speed between your vehicle and the
vehicle
  ahead   does   not   exceed   9   mph   (15   km/h).
Above
  this   threshold,   the   system   will   do   what
 i

s possible to avoid or reduce the accident by
lowering
  the   speed   of   impact.
The
  automatic   braking   may   bring   the   vehicle   to  
a

  complete   stop   if   the   situation   requires   it.
In this case, the vehicle is held stationary
temporarily
  (for   about   1.5   seconds)   to   allow  
t

he   driver   to   take   back   control   by   pressing   the  
b

rake
 ped
al.
You are then alerted by the display of a
message.
The
  brake   lamps   on   your   vehicle   come   on   to  
w

arn   other   road   users.
After
  an   impact,   the   system   is  
a

utomatically   put   out   of   service:   it   no  
lon

ger
 ope
rates.
You
  must   go   to   a   CITROËN   dealer   or   a  
q

ualified   workshop   to   have   the   system  
m

ade   operational   again.
During
  automatic   braking,   the   driver  
c

an   always   obtain   a   higher   rate   of  
d

eceleration than that controlled by the
system,
  by   pressing   firmly   on   the   brake  
ped

al.
The
  triggering   of   the   system   may   cause  
t

he   engine   to   stall,   unless   the   driver  
d

epresses   the   clutch   pedal   quickly  
e

nough   during   automatic   braking.
deactivation
The system is deactivated in the vehicle configuration   menu,   accessible   with   the   ignition   on.
Its
  state   is   memorised   when   the   ignition   is
 s

witched off.
When the system is deactivated, a m essage   is   displayed   every   time   the  
i

gnition   is   switched   on,   to   warn   you.

203
DS3_en_Chap08_info-pratiques_ed01-2015
Removing a wheel
Parking the vehicle
Immobilise the vehicle where it does not   block   traffic:   the   ground   must   be  
l

evel,   stable   and   not   slippery.
Apply
  the   parking   brake,   switch   off   the  
i

gnition   and   engage   first   gear*   to   lock  
t

he   wheels.
If
  necessary,   place   a   chock   under   the  
w

heel   diagonally   opposite   the   wheel   to  
be c

hanged.
It
  is   imperative   that   you   ensure   that   the  
o

ccupants   get   out   of   the   vehicle   and  
w

ait   where   they   are   safe.
Never
  go   underneath   a   vehicle   raised  
u

sing   a   jack;   use   an   axle   stand.
List of operations
F Remove  the   chromed   bolt   cover   from   each  o
f   the   bolts   using   the   tool   3   (alloy   wheels  
o

nly).
F
 
F
it   the   socket   4 on the wheelbrace 1 to
slacken
  the   security   bolt   (if   your   vehicle   is  
f

itted   with   them).
F
 
S
lacken   the   other   bolts   using   the  
w

heelbrace 1  
o
n l y.
*


position R
 
for
 
an
 
electronic
 
gearbox,
 
P for an
automatic
 
gearbox.
Ensure
 
that
 
the
 
jack
 
is
 
stable.
 
If
 
the
 g
round
 
is
 
slippery
 
or
 
loose,
 
the
 
jack
 
c

ould
 
slip
 
or
 
drop
 
-
 
Risk
 
of
 
injury!
Take
 
care
 
to
 
position
 
the
 
jack
 
only
 
at
 
o

ne
 
of
 
the
 
jacking
 
points
 
A or B

under
the
 
vehicle,
 
ensuring
 
that
 
the
 
vehicle's
 
c

ontact area is well centred on the
head
 
of
 
the
 
jack.
 
Other wise,
 
there
 
is
 
a
 
r

isk
 
of
 
damage
 
to
 
the
 
vehicle
 
and/or
 
the
 
j

ack
 
might
 
drop
 
-
 
Risk
 
of
 
injury!
Practical information

207
DS3_en_Chap08_info-pratiques_ed01-2015
It is strongly recommended that before you   leave,   you   practise   fitting   the   snow  
c

hains   on   a   level   and   dry   sur face.
Snow chains
In wintry conditions, snow chains improve traction as well as the behaviour of the vehicle when braking.
T he   snow   chains   must   be   fitted   only  
t

o   the   front   wheels.   They   must   never  
b

e fitted to "space-saver" type spare
wheels.
Take
  account   of   the   legislation   in   force  
i

n your country on the use of snow
chains
  and   the   maximum   running  
s

peed
 a
uthorised.
Avoid
  driving   with   snow   chains   on  
r

oads that have been cleared of snow,
to
  avoid   damaging   your   vehicle's   tyres  
a

nd   the   road   sur face.   If   your   vehicle  
i

s   fitted   with   alloy   wheels,   check   that  
n

o   part   of   the   chain   or   its   fixings   is   in  
c

ontact   with   the   wheel   rim.
Advice on installation
F If  you   have   to   fit   the   chains   during   a   journey,   stop   the   vehicle   on   a   flat   sur face   on   the   side   of   the  r
oad.
F
 
A
pply   the   parking   brake   and   position   any   wheel   chocks   to   prevent   movement   of   your   vehicle.
F
 
F
it   the   chains   following   the   instructions   provided   by   the   manufacturer.
F
 
M
ove   off   gently   and   drive   for   a   few   moments,   without   exceeding   30   mph   (50   km/h).
F
 
S
top   your   vehicle   and   check   that   the   snow   chains   are   correctly   tightened.
Use
  only   the   chains   designed   to   be   fitted   to   the   type   of   wheel   fitted   to   your   vehicle:
Vehicle Original
  tyre   sizeMaximum
  link   size.
DS 3 185/65
  R159
  mm
195/55
  R16
205/45
  R17cannot be fitted with chains
DS
  3   R ACING 215/40
  R18cannot be fitted with chains
For
  more   information   on   snow   chains,   contact   a   CITROËN   dealer   or   a   qualified   workshop.
Practical information