2009.5 Citroen C5 brakes
[x] Cancel search: brakesPage 131 of 314
VIII
115
S A F E T Y
TRAJECTORY CONTROL SYSTEMS
Anti-skid regulation (ASR)
and electronic stability
programme (ESP) Activation
T h e s e s y s t e m s a r e a c t i v a t e d a u t o -
m a t i c a l l y e a c h t i m e t h e v e h i c l e i s
started.
T h e y c o m e i n t o o p e r a t i o n i n t h e e v e n t
o f a g r i p o r t r a j e c t o r y p r o b l e m . T h i s i s i n d i c a t e d b y fl a s h i n g
o f t h i s w a r n i n g l a m p o n t h e
i n s t r u m e n t p a n e l . Deactivation
I n e x c e p t i o n a l c o n d i t i o n s ( s t a r t i n g a
v e h i c l e w h i c h i s b o g g e d d o w n , s t u c k
i n s n o w , o n s o f t g r o u n d . . . ) , i t m a y b e
advisable to deactivate the ASR and
E S P s y s t e m s , s o t h a t t h e w h e e l s
c a n m o v e f r e e l y a n d r e g a i n g r i p .
Press the "ESP OFF" b u t t o n , l o -
cated in the centre of the dash-
board.
I f t h i s w a r n i n g l a m p c o m e s
o n i n t h e i n s t r u m e n t p a n e l
a n d t h e i n d i c a t o r l a m p o n t h e
b u t t o n c o m e s o n , t h i s i n d i -
cates that the ASR and ESP
s y s t e m s a r e d e a c t i v a t e d .
For vehicles with Hydractive III +
s u s p e n s i o n , m a n u a l a d j u s t m e n t o f
g r o u n d c l e a r a n c e t o t h e i n t e r m e d i a t e
p o s i t i o n i m p r o v e s f u r t h e r t h e a b i l i t y
t o m a k e p r o g r e s s i n d e e p s n o w ( s e e
the relevant paragraph).
I n e x t r e m e l y s e v e r e c o n d i t i o n s ( s n o w
o n t o p o f i c e , s a n d , d e e p m u d … ) , i t c a n
b e u s e f u l t o d e a c t i v a t e t h e
ESP/ASR
s y s t e m s t o a l l o w a d e g r e e o f w h e e l
spin and so recover grip.
T h e a n t i - s k i d r e g u l a t i o n ( a l s o k n o w n a s
T r a c t i o n C o n t r o l ) o p t i m i s e s t r a c t i o n t o
prevent skidding of the wheels, by act-
ing on the brakes of the driving wheels
and on the engine.
T h e e l e c t r o n i c s t a b i l i t y p r o g r a m m e a c t s
o n t h e b r a k e o f o n e o r m o r e w h e e l s
and on the engine to keep the vehicle
o n t h e t r a j e c t o r y r e q u i r e d b y t h e d r i v e r ,
w i t h i n t h e l i m i t s o f t h e l a w s o f p h y s i c s .
Intelligent traction control
(Snow Motion)
Y o u r v e h i c l e h a s a n i n t e l l i g e n t t r a c -
t i o n c o n t r o l s y s t e m t o h e l p d r i v i n g o n
snow:
Snow Motion
T h i s a u t o m a t i c s y s t e m c o n t i n u o u s l y
c h e c k s f o r s i t u a t i o n s o f d i f fi c u l t s u r -
f a c e a d h e s i o n t h a t c o u l d m a k e i t d i f -
fi c u l t t o m o v e o f f o r m a k e p r o g r e s s
o n d e e p f r e s h s n o w o r c o m p a c t e d
snow.
I n t h e s e s i t u a t i o n s , t h e Snow
Motion s y s t e m t a k e s o v e r f r o m
the ASR s y s t e m b y o p t i m i s i n g t h e
a m o u n t o f w h e e l s l i p t o p r o v i d e t h e
best traction and trajectory control,
e v e n w i t h o u t s n o w t y r e s a n d w i t h o r
w i t h o u t c h a i n s .
Page 159 of 314
IX
141
D R I V I N G
In the event of a steep descent or
under excessive acceleration, the
speed limiter (which does not act
on the brakes) may not be able to
prevent the vehicle from exceeding
the programmed speed.
U s e o f a fl o o r m a t o t h e r t h a n t h a t
recommended by CITROËN may
affect the normal operation of the
accelerator pedal and hamper the
operation of the speed limiter.
Floor mats approved by CITROËN
a r e fi t t e d w i t h a 3 r d fi x i n g l o c a t e d i n
the pedal area to avoid any risk of
interference with the pedals.
Suspension/Resumption
Press on button 3 .
This action causes the information
"PAUSE" to appear in zone A of the
instrument panel.
This action does not cancel the
memorised maximum speed which
remains displayed in zone A of the
instrument panel. Overriding the programmed
speed
The accelerator pedal has an end-
of-travel switch. In order to exceed
the memorised maximum speed at
any time, you can press the pedal
all the way down. While the speed
is being exceeded, the speed dis-
played in zone
A w i l l fl a s h . Y o u h a v e
only to release the accelerator pedal
to return below the maximum speed,
to restore the function.
T h e s p e e d w i l l a l s o fl a s h i f t h e s p e e d
limiter is not able to prevent the vehi-
cle from exceeding the programmed
speed (e.g. on a steep descent or
under excessive acceleration).
To reactivate the speed limiter, re-
lease the accelerator to slow to a
speed lower than the programmed
speed. Return to normal driving
Either press on button 5 .
Or select the speed limiter func-
tion.
Or stop the engine.
Operating fault
If there is a malfunction, a mes-
sage is displayed accompanied by
an audible signal and lighting of the
SERVICE warning lamp.
Have it checked by a CITROËN
dealer.
Page 180 of 314
X
!
162
C H E C K S
Brake pads Brake wear depends on
the style of driving, par-
ticularly in the case of ve-
hicles used in town, over
short distances. It may be
necessary to have the condition of
the brakes checked, even between
vehicle services.
Unless there is a leak in the circuit, a
d r o p i n t h e b r a k e fl u i d l e v e l i n d i c a t e s
that the brake pads are worn.
Manual gearbox
The gearbox does not
require any maintenance
(no oil change).
Automatic gearbox The gearbox does not
require any maintenance
(no oil change). Brake disc wear
For information relating to
checking the brake disc
wear, contact a CITROËN
dealer.
Parking brake If a loss of effectiveness
of this system is noticed,
the parking brake must be
checked, even between
two services.
This system must be checked by a
CITROËN dealer. Only use products recom-
mended by CITROËN or
products of equivalent quality
a n d s p e c i fi c a t i o n s .
Do not use a dry cloth with an abra-
sive product for the maintenance of
aluminium parts; use a sponge and
soapy water.
In order to optimise the operation
of units as important as the braking
system, CITROËN selects and of-
f e r s v e r y s p e c i fi c p r o d u c t s .
To avoid damaging the electrical
units, the use of a high pressure
washer in the engine compartment
is strictly
prohibited .
Refer to the Maintenance and
Warranty Guide for the details of the level checking interval for this com-
ponent.
Refer to the Warranty and
Maintenance Record for details of
the level checking interval for this
component.