Operation Manual

81
II
DIE
S
EL PARTI
CU
LATE FILTER
S
Y
S
TEM
In addition to the catal
y
tic converter, this
fi
lter contributes activel
y
to the preservin
g
o
f
air qualit
y
, b
y
collectin
g
the
p
olluting particles that have not been burnt o
ff
. Black exhaust
f
umes are thus eliminated.
S
imultaneous li
g
htin
g
o
f
the
S
ERVIC
E
and depollution s
y
stem warnin
g
lamps indicates an
increased risk o
f
clo
gg
in
g.
C
ontact a CITRO
Ë
N dealer or a qualifi ed workshop as soon as possible
.
D
IESEL ADDITIVE LEVEL
I
f
the additive level is low, it is necessary to top up the additive level
.
C
ontact a CITRO
Ë
N dealer or a qualifi ed workshop as soon as possible
.
CLOGGING OF THE PARTICLE FILTE
R
C
lo
gg
in
g
is caused b
y
the particle
fi
lter startin
g
to be saturated
(
owin
g
to exceptionall
y
lon
g
periods
s
pent driving in urban conditions: low speeds, tra
ffi
c jams, etc.
)
.
In order to re
g
enerate the
fi
lter
y
ou are advised to drive as soon as
p
ossible
,
when tra
ffi
c conditions allow
,
at a s
p
eed
of 37 mph (60 km/h) or more for at least 5 minutes. If the problem persists, contact a CITROËN dealer or a qualifi ed
g yp,,p
workshop.
N
ote:
If
the vehicle has been running
f
or long periods at ver
y
low speeds or at idle, vapour emissions ma
y
be seen
c
oming
f
rom the exhaust under acceleration. These have no consequences
f
or the running o
f
the vehicle or
f
or
t
h
e
e
nvir
o
nm
e
nt.