CITROËN DS 4 Handbook page 27

Warning/indicator lamp is on
temporarily,
Service
accompanied by a
message.
fixed, accompanied by
a message.
fixed, associated with the
flashing and then fixed
display of the service
indicator spanner.
fixed, accompanied
Particle filter
by an audible signal
(diesel)
message on the risk of
blockage of the particle
filter.
fixed, accompanied by
an audible signal and
and a message that the
particle filter additive
level is too low.
Cause
One or more minor faults for
which there is no specific
warning lamp have been
detected.
One or more major faults for which
there is no specific warning lamp
have been detected.
The servicing interval has been
exceeded.
This indicates that the particle
filter is starting to become
saturated.
This indicates the low level of the
additive reservoir.
Action/Observations
Identify the cause of the fault using the message displayed
in the screen.
You can deal with some problems yourself, such as a door
open or the start of saturation of the particle filter
(as soon as the traffic conditions allow, regenerate the
filter by driving at a speed of at least 40 mph (60 km/h),
until the warning lamp goes off).
For any other problems, such as a fault with the tyre under
inflation detection system, contact a CITROËN dealer or a
qualified workshop.
Identify the cause of the fault using the message displayed
in the screen; you must then contact a CITROËN dealer or
a qualified workshop.
Only on BlueHDi Diesel versions.
Your vehicle must be serviced as soon as possible.
As soon as driving conditions allow, regenerate the filter
by driving at a speed of at least 35 mph (60 km/h) until the
warning lamp goes off.
Have the reservoir topped up as soon as possible by a
CITROËN dealer or a qualified workshop.
25
Monitoring