CITROËN DS 5 Handbook page 259

Starting prevented
Every time the ignition is switched on, the
SERVICE and engine diagnostic warning
lamps come on and the UREA warning lamp
flashes, accompanied by an audible signal and
the display of the message "Emissions fault:
Starting prevented".
You have exceeded the authorised
driving limit: the starting prevention
system inhibits engine starting.
To be able to start the engine, you must call on
a CITROËN dealer or a qualified workshop.
Freezing of the AdBlue ® additive
The AdBlue additive freezes at
®
temperatures below around -11°C.
The SCR system includes a heater
for the AdBlue tank, allowing you to
®
continue driving in very cold conditions.
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Checks