8
SAFETY
BRAKING ASSISTANCE
SYSTEMS
G r o u p o f s u p p l e m e n t a r y s y s t e m s w h i c h
h e l p y o u t o o b t a i n o p t i m u m b r a k i n g i n
c o m p l e t e s a f e t y i n e m e r g e n c y s i t u a -
tions:
- anti-lock braking system (ABS),
- electronic brake force distribution (EBFD),
- emergency braking assistance (EBA).
Anti-lock braking system
and electronic brake force
distribution
L i n k e d s y s t e m s w h i c h i m p r o v e t h e s t a -
bility and manoeuvrability of your vehicle
w h e n b r a k i n g , i n p a r t i c u l a r o n p o o r o r
s l i p p e r y s u r f a c e s .
Activation
The anti-lock braking system comes
i n t o o p e r a t i o n a u t o m a t i c a l l y w h e n t h e r e
is a risk of wheel lock.
N o r m a l o p e r a t i o n o f t h e A B S m a y m a k e
itself felt by slight vibration of the brake
p e d a l .
When braking in an emergency,
p r e s s v e r y fi r m l y w i t h o u t r e l e a s -
i n g t h e p r e s s u r e . Operating fault
In either case, contact a CITROËN dealer.
I f t h i s w a r n i n g l a m p c o m e s o n ,
a c c o m p a n i e d b y a n a u d i b l e s i g -
nal and a message on the mul-
tifunction screen, it indicates a
malfunction of the anti-lock braking sys-
tem which could result in loss of control
of the vehicle when braking.
I f t h i s w a r n i n g l a m p c o m e s o n ,
together with the STOP and
ABS w a r n i n g l a m p s , a c c o m p a -
nied by an audible signal and a
message on the multifunction screen, it
indicates a malfunction of the electron-
ic brake force 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.
W h e n r e p l a c i n g w h e e l s ( t y r e s
and rims), ensure that they
conform to the manufacturer's
recommendations. Emergency braking assistance
System which, in an emergency, ena-
b l e s y o u t o o b t a i n t h e o p t i m u m b r a k i n g
p r e s s u r e m o r e q u i c k l y , t h u s r e d u c i n g
t h e s t o p p i n g d i s t a n c e .
Activation
I t i s t r i g g e r e d b y t h e s p e e d a t w h i c h t h e
b r a k e p e d a l i s p r e s s e d .
The effect of this is a reduction in the
r e s i s t a n c e o f t h e p e d a l a n d a n i n c r e a s e
i n b r a k i n g e f fi c i e n c y .
When braking in an emergency,
p r e s s fi r m l y w i t h o u t r e l e a s i n g
t h e p r e s s u r e .
8
SAFETY
TRAJECTORY CONTROL
SYSTEMS
Anti-skid regulation (ASR) and
electronic stability programme
(ESP)
The anti-skid regulation (also known as
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
p r e v e n t s k i d d i n g o f t h e w h e e l s , b y a c t -
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
on the brake of one or more wheels and
o n t h e e n g i n e t o k e e p t h e v e h i c l e o n t h e
trajectory required by the driver.
Activation
These systems are activated automati-
cally each time the vehicle is 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 -
hicle which is bogged down, stuck in
snow, on soft ground...), it may be ad-
visable to deactivate the ASR and ESP
systems, so that the wheels can move
f r e e l y a n d r e g a i n g r i p .
Press the "ESP OFF" button, located
on the left below the steering wheel.
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
on, this indicates that the ASR and
ESP systems are deactivated.
Reactivation
These systems are reactivated automat-
ically each time the ignition is switched
b a c k o n o r f r o m 3 0 m p h ( 5 0 k m / h ) .
Press the "ESP OFF" button again
to reactivate them manually. Operating fault
I f t h i s w a r n i n g l a m p c o m e s o n ,
a c c o m p a n i e d b y a n a u d i b l e s i g -
nal and a message on the mul-
tifunction screen, this indicates
a malfunction of these systems.
Have the systems checked by a
CITROËN dealer.
T h e E S P / A S R s y s t e m s o f f e r e x -
c e p t i o n a l s a f e t y i n n o r m a l d r i v i n g ,
but this should not encourage the
driver to take extra risks or drive
a t h i g h s p e e d .
The correct functioning of these
s y s t e m s d e p e n d s o n o b s e r v a t i o n
of the manufacturer's recommen-
dations regarding the wheels
(tyres and rims), the braking
c o m p o n e n t s , t h e e l e c t r o n i c
c o m p o n e n t s a n d t h e C I T R O Ë N
a s s e m b l y a n d o p e r a t i o n p r o c e -
dures.
A f t e r a n i m p a c t , h a v e t h e s e s y s -
tems checked by a CITROËN
dealer.
