Alfa Romeo Giulia Owner's Handbook Manual page 97

Symbol
WATER IN DIESEL FILTER (Diesel versions)
The symbol switches on constantly while driving, along to
indicate the presence of water in the diesel filter.
DPF CLEANING (particulate trap) in progress (diesel
versions with DPF only)
The symbol comes on when the starter switch is brought
to ON, but it should switch off after a few seconds.
The symbol switches on constantly to indicate that the
DPF system needs to eliminate the trapped pollutants
(particulate) through the regeneration process.
The symbol does not switch on during every DPF
regeneration, but only when driving conditions require
that the driver is notified.
GPF (Gasoline Particulate Filter) CLEANING in progress
(2.0 T4 MAir versions only)
The symbol switches on fixed, together with a dedicated
message on the display, to indicate that the GPF system
needs to eliminate the trapped pollutants (particulate) by
means of the regeneration process.
The symbol does not light up on during every GPF
regeneration, but only when driving conditions require
that the driver is notified.
GPF (Gasoline Particulate Filter) FAILURE (2.0 T4 MAir
versions only)
The symbol lights up fixed together with the warning
light and dedicated messages appear on the display in
case of failure to the GPF (Gasoline Particulate Filter).
What it means What to do
20)
To turn off the symbol, keep the vehicle in motion until the
regeneration process is over. The process normally takes
about 15 minutes. Optimal conditions for completing the
process are achieved by travelling at 37 mph (60 km/h)
with engine speed above 2000 rpm.
When this symbol switches on, it does not indicate a fault
and thus it should not be taken to a workshop.
To turn off the symbol, keep the vehicle in motion until
the regeneration process is over. The optimal conditions
for completing the process are achieved by varying the
speed of the car (pressure on the accelerator pedal). Hold
a speed faster than 45 mph (70 km/h) on extra-urban
roads, varying the pressure on the accelerator pedal and
sometimes releasing it completely, until the symbol and
message disappear from the display.
When this symbol switches on, it does not indicate an
anomaly and thus it should not be taken to a workshop.
Contact an Alfa Romeo Dealership as soon as possible to
have the failure eliminated.
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