CITROËN DS 5 Handbook page 261

Recommendations on storage
AdBlue freezes at about -11°C and
®
deteriorates above 25°C. It is recommended
that bottles be stored in a cool area and
protected from direct sunlight.
Under these conditions, the additive can be
kept for at least a year.
If the additive has frozen, it can be used once it
has completely thawed out.
Never store bottles of AdBlue
vehicle.
Procedure
Before topping-up, ensure that the vehicle is
parked on a flat and level surface.
In wintry conditions, ensure that the
temperature of the vehicle is above -11°C.
Otherwise the AdBlue
so cannot be poured into its tank. Park your
vehicle in a warmer area for a few hours to
allow the top-up to be carried out.
F Press the START/STOP button to switch
® in your
off the engine.
may be frozen and
®
F Raise the boot floor for access to the
AdBlue tank. Use an object, such as a
®
bag, to keep the left part up.
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