CITROËN C3 PICASSO 2012 Owner's Handbook Manual page 84

Visibility
Automatic illumination of headlamps
The sidelamps and dipped beam headlamps are
switched on automatically, without any action on
the part of the driver, when a low level of external
light is detected or in certain cases of activation
of the windscreen wipers.
As soon as the brightness returns to a sufficient
level or after the windscreen wipers are switched
off, the lamps are switched off automatically.
Activation
Turn ring A to the A "AUTO" position. The automatic
illumination of headlamps is accompanied by a
message in the multifunction screen.
Deactivation
Turn ring A to a position other
than "AUTO". Deactivation is accompanied
by a message in the multifunction screen.
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Linked with the Guide-me-home
lighting
Association with the automatic illumination
of headlamps provides the guide-me-home
lighting with the following additional options:
- automatic activation of guide-me-home
lighting when automatic illumination of
headlamps is switched on (in the vehicle
parameters of the multifunction screen
configuration menu),
- selection of the duration of maintaining of
the lighting for 15, 30 or 60 seconds in the
vehicle parameters of the multifunction
screen configuration menu (except for
monochrome screen A where this is
preset).
Operating fault
In the event of a malfunction of the
sunshine sensor, the lamps come
on, this warning lamp is displayed
in the instrument panel and/or a message appears
in the multifunction screen, accompanied by an
audible signal.
Contact a CITROËN dealer or a qualified workshop.
In fog or snow, the sunshine sensor may
detect sufficient light. Therefore, the
lamps will not come on automatically.
Do not cover the sunshine sensor,
linked with the rain sensor and located
in the centre of the windscreen behind
the rear view mirror; the associated
functions would no longer be controlled.