CITROËN C4 CACTUS Owner's Handbook Manual page 133

Reinitialisation of the system is done in the the
touch screen tablet, with the ignition on and the
vehicle stationary.
F Select the "Driving assistance"
menu.
F In the secondary page, press
"Under-inflation initialisation".
F Confirm the instruction by pressing "Yes",
an audible signal and a message confirm
the reinitialisation.
The new pressure settings registered are
considered to be reference values by the
system.
Snow chains
The system does not have to be
reinitialised after fitting or removing
snow chains.
The under-inflation alert can only be
considered reliable if reinitialisation of
the system is done with the the four tyre
pressures correctly set.
Operating fault
The flashing and then fixed illumination of the
under-inflation warning lamp accompanied
by illumination of the "service" warning lamp
indicates a fault with the system.
In this case, under-inflation monitoring of the
tyres is no longer assured.
Have the system checked by a CITROËN
dealer or a qualified workshop.
Before doing anything to the system,
the pressures of the four tyres must be
checked and the system reinitialised.
Safety
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