PEUGEOT 508 Handbook page 228

Practical information
F Obtain a bottle of AdBlue
checking the use-by date, read carefully
the instructions on use on the label before
pouring the contents of the bottle into your
®
vehicle's AdBlue tank.
Important: if your vehicle's
AdBlue ® tank is completely empty -
which is confirmed by the alert
messages and the impossibility of
starting the engine, you must add at
least 3.8 litres (so two 1.89 litre bottles).
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F After emptying the bottle, wipe away any
spillage around the tank filler using a damp
cloth.
If any additive is split or splashed, wash
immediately with cold water or wipe with
a damp cloth.
®
. After first
If the additive has crystallised, clean it
off using a sponge and hot water.
F Refit the blue cap to the tank and turn it a
6 th of a turn clockwise, to its stop.
F Refit the black cap and turn it a quarter of
a turn clockwise without pressing. ensure
that the indicator on the cap lines up with
the indicator on the support.
F Depending on equipment, return the spare
wheel and/or the storage box to the bottom
of the boot.
F Refit the boot carpet and close the tailgate.
Important: when topping-up after
running out of additive, signalled
by the message "top up emissions
additive: Starting prevented", you
must wait for about 5 minutes before
switching the ignition on again, without
opening the driver's door, unlocking
the vehicle, introducing the remote
control key into the ignition switch,
or placing the electronic key of the
"Keyless Entry and Starting" system
inside the vehicle.
Switch on the ignition, then wait for
10 seconds before starting the engine.
Never dispose of AdBlue ® additive
bottles in the household waste. Place
them in a special container provided
this purpose or take them to your dealer.