CITROEN DS3 Handbook page 34

Warning/indicator lamp is on
fixed, accompanied by
Under-inflation
an audible signal and a
message.
flashing then fixed,
+
accompanied by the
Service warning lamp.
Cause
The pressure in one or more tyres is
too low.
The system has fault: the tyre
pressures are no longer monitored.
Action / Observations
Check the tyre pressures as soon as possible.
This check should preferably be carried out when the
tyres are cold.
You must reinitialise the system after the adjustment of
one or more tyre pressures and after changing one or
more wheels.
For more information, refer to the "Under-inflation
detection" section.
Check the tyre pressures as soon as possible.
Have the system checked by a CITROËN dealer or a
qualified workshop.