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ABS
ABS
104
Driving safety
(ABS - EBFD)
The ABS and EBFD (electronic brake
force distribution) systems improve the
stability and manoeuvrability of your
vehicle on braking, in particular on
poor or slippery surfaces.
The ABS prevents locking of the
wheels, the EBFD provides control of
the braking pressure wheel by wheel. If this warning light comes on,
accompanied by an audible
signal and a message on
the display, it indicates a
malfunction of the ABS which
could result in a loss of control of the
vehicle on braking.
If this warning light comes
on, together with the brake
and STOP warning lights,
accompanied by an audible
signal and a message on the
display, it indicates a malfunction of
the electronic brake force distribution
which could result in a loss of control of
the vehicle on braking.
EMERGENCY BRAKING
ASSISTANCE SYSTEM (EBA)
In an emergency, this system enables
the optimum braking pressure to be
reached more quickly, press the pedal
fi r m l y w i t h o u t r e l e a s i n g i t .
It is triggered by the speed at which the
brake pedal is activated.
This alters the resistance of the brake
pedal under your foot.
To prolong the operation of the
emergency braking assistance system:
keep your foot on the brake pedal.
Good practice
The anti-lock braking system comes
into operation automatically when
there is a risk of wheel lock. It does not
reduce the braking distance.
On very slippery surfaces (ice, oil,
etc...) the ABS may increase the
braking distance. When braking in
an emergency, do not hesitate to
p r e s s t h e b r a k e p e d a l fi r m l y , w i t h o u t
releasing the pressure, even on a
slippery surface, you will then be able
to continue to manoeuvre the vehicle
to avoid an obstacle.
Normal operation of the ABS may be felt
by slight vibration of the brake pedal.
When changing wheels (tyres
and rims), ensure that these are
recommended by CITROËN .
Stop immediately.
In both cases, contact a CITROËN
dealer.
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105
Driving safety
SAFETY
5
TRACTION CONTROL (ASR)
AND DYNAMIC STABILITY
CONTROL (ESP)
These systems are linked and
complement the ABS.
The ASR system is very useful for
maintaining optimum drive and
avoiding losses of control of the vehicle
on acceleration.
The system optimises drive to prevent
the wheels skidding, by acting on the
brakes of the drive wheels and on the
engine. It also allows the directional
stability of the vehicle to be improved
on acceleration.
Use the ESP to hold your course
without attempting to countersteer.
If there is a variation between the
trajectory followed by the vehicle and
that required by the driver, the ESP
system automatically acts on the
engine and the brake of one or more
wheels, in order to put the vehicle back
on course. Disarming the ASR/ESP
systems
In certain exceptional conditions
(starting the vehicle when stuck in mud
or snow, or on loose ground...), it could
prove useful to disarm the ASR and
ESP systems to make the wheels spin
and regain grip.
- Press the button, located on the
centre console.
- The indicator light comes on: the ASR and ESP systems no longer
act. Operating check
Good practice
The ASR/ESP systems offer increased
safety during normal driving, but
should not incite the driver to take risks
or to drive at high speed.
The operation of these systems is
ensured if the recommendations
of the manufacturer regarding
the wheels (tyres and rims), the
braking components, the electronic
c o m p o n e n t s a n d t h e fi t t i n g a n d r e p a i r
procedures within the CITROËN
network are observed.
After an impact, have these systems
checked by a CITROËN dealer.
Operation of the ASR and ESP
systems
T h e l u m i n o u s d i o d e fl a s h e s
when the ASR or ESP is
triggered.
They engage again:
- automatically above 30 mph (50 km/h),
- manually by pressing the button again. When a malfunction of the
systems occurs, the indicator
light comes on, accompanied
by an audible signal and a
message on the display.
Contact a CITROËN dealer to have the
system checked.
The warning light may also come on if
t h e t y r e s a r e u n d e r - i n fl a t e d . C h e c k t h e
pressure of each tyre.
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134
Changing a wheel
4. OPERATING PROCEDURE - P l a c e t h e j a c k i n c o n t a c t w i t h t h e l o c a t i n g p o i n t p r o v i d e d , t h e o n e
which is closest to the wheel to
b e c h a n g e d . E n s u r e t h a t t h e j a c k
is straight and that the base of
t h e j a c k i s f u l l y i n c o n t a c t w i t h t h e
ground.
- E x t e n d t h e j a c k t o l i f t t h e w h e e l clear of the ground.
- R e s u m e a n d c o m p l e t e t h e unscrewing of the wheel bolts.
- R e m o v e t h e b o l t s a n d r e m o v e t h e wheel.
D o n o t e x t e n d t h e j a c k u n t i l y o u h a v e
started unscrewing the bolts on the
w h e e l t o b e c h a n g e d a n d h a v e p l a c e d
t h e c h o c k u n d e r t h e w h e e l d i a g o n a l l y
o p p o s i t e .
- R e m o v e t h e t r i m p u l l i n g i t u s i n g t h e
embellisher remover.
- Loosen the wheel bolts and start unscrewing them. Anti-theft bolts
I f y o u r v e h i c l e i s fi t t e d w i t h w h e e l s w i t h
alloy rims:
- Each wheel has an anti-theft bolt.
- T h e s e b o l t s c a n b e l o o s e n e d u s i n g
y o u r a n t i - t h e f t s o c k e t ( g i v e n t o y o u
in delivery of your vehicle) and the
wheelbrace.