CITROEN DS3 Owner's Handbook Manual page 191

Diesel additive level
(Diesel engine with particle
emission filter)
A additive reservoir low level is
indicated by fixed illumination of
this warning lamp, accompanied by an audible
warning and a message in the multifunction
screen.
Topping up
This additive must be topped up by a CITROËN
dealer or a qualified workshop without delay.
Used products
Avoid prolonged contact of used oil or
fluids with the skin.
Most of these fluids are harmful to
health or indeed very corrosive.
Do not discard used oil or fluids into
sewers or onto the ground.
Take used oil to a CITROËN dealer or
a qualified workshop (France) or to an
authorised waste disposal site.
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