Operation Manual
8
Safety
111
Trajectory control systems
Anti-slip re
g
ulation
(
ASR
)
a
n
d
e
l
ectron
i
c sta
bili
t
y
p
ro
g
ramme
(
ESP
)
The anti-slip re
g
ulation
(
also known as Traction
C
ontrol
)
optimises traction to prevent skiddin
g
o
f
the wheels, by acting on the brakes o
f
the
drivin
g
wheels and on the en
g
ine.
The electronic stabilit
y
pro
g
ramme acts on the
brake of one or more wheels and on the en
g
ine to
keep the vehicle on the tra
j
ector
y
required b
y
the
driver, within the limits of the laws of ph
y
sics.
Activation
These s
y
stems are activated automaticall
y
eac
h tim
e
th
e
v
e
hi
c
l
e
i
s
s
t
a
rt
ed
.
The
y
come into operation in the event of a
g
rip
or tra
j
ector
y
problem.
This is indicated b
y
f
lashin
g
o
f
this
warning lamp in the instrument panel.
Deactivation
In exceptional conditions
(
startin
g
a vehicle
w
hich is bo
gg
ed down, stuck in snow, on soft
g
round...
)
, if
y
ou are unable to make pro
g
ress,
i
t ma
y
be advisable to temporaril
y
deactivate
t
h
ese s
y
stems, so t
h
at t
h
e w
h
ee
l
s can sp
i
n
f
reel
y
and allow the vehicle to move.
)
P
r
ess
t
he
"E
S
P OFF"
b
utton,
l
ocate
d
nea
r
the steering wheel.
If this warnin
g
lamp comes on in the instrument panel
a
nd the indicator lamp in the button comes on, this
indicates that these s
y
stems are deactivated.
It is recommended that the s
y
stems be
r
eactivated as soon as possible.
Reactivation
Th
ese s
y
stems are react
i
vate
d
automat
i
ca
lly
eac
h
t
i
me t
h
e
ig
n
i
t
i
on
i
s sw
i
tc
h
e
d
b
ac
k
on or
f
rom 30 mph
(
50 km
/
h
)
.
)
P
r
ess
t
he
"E
S
P OFF"
b
utton a
g
a
i
n to
r
eact
i
vate t
h
em manua
lly
.
Operatin
g
fault
I
f
this warnin
g
lamp comes on,
a
ccompan
i
e
d
by
an au
dibl
e s
ig
na
l
a
nd a message in the screen, this
indicates a
f
ault with these s
y
stems.
Have it checked b
y
a CITROËN
dealer or a qualified workshop.
The tra
j
ector
y
control s
y
stems offer
increased safet
y
in normal drivin
g
, but
this should not encoura
g
e the driver to
ta
k
e extra r
i
s
k
s or
d
r
i
ve at
high
spee
d
.
The correct
f
unctionin
g
o
f
these
sy
stems
i
s assure
d
prov
id
e
d
t
h
at
m
a
n
ufac
t
u
r
e
r'
s
r
eco
mm
e
n
da
ti
o
n
s
a
r
e
obse
rv
ed
o
n:
- wheels
(
t
y
res and rims
)
,
- brakin
g
components,
- electronic components,
- assembl
y
and repair procedures.
A
f
ter an impact, have these s
y
stems
c
hecked b
y
a CITRO
Ë
N dealer or a
q
uali
f
ied worksho
p
.