CITROEN Grand C4 PICASSO Owner's Handbook Manual page 211

Switching on
Put the lighting control stalk ring
in the "AUTO" position.
In the " Driving assistance"
menu, press the button, its
indicator lamp comes on.
Flash the headlamps
(going beyond the point
of resistance) to activate
the function.
Operation
Once the function is activated, the system
operates as follows:
If the ambient light level is sufficient and/or
if the traffic conditions do not allow illumination
of the main beam headlamps:
- dipped beam is maintained, this
indicator lamp comes on in the
instrument panel.
If the ambient light level is very low and the
traffic conditions permit:
- main beam comes on
automatically: this indicator lamp
comes on in the instrument panel.
Pause
If the situation requires a change of headlamp
beam, driver can take over at any time.
Flashing the headlamps
again pauses the
function and the
system changes to
"automatic illumination
of headlamps" mode:
- if the AUTO indicator lamp was on in
green, the system changes to main
beam,
- if the AUTO indicator lamp was on in
blue, the system changes to dipped
beam.
To reactivate the system, flash the headlamps
again.
Depending on the
situation, one of these two
indicator lamps comes on.
Switching off
In the "Driving assistance"
menu, press the button, its
indicator lamp goes off and
the the system changes to
"automatic illumination of
headlamps" mode.
Visibility
The system may suffer interference or
not work correctly:
- under conditions of poor visibility
(for example, snowfall, heavy rain
or thick fog, ...),
- if the windscreen is dirty, misted or
obscured (by a sticker, ...) in front of
the camera,
- if the vehicle is facing highly
reflective signs.
The system is not able to detect:
- road users that do not have their
own lighting, such as pedestrians,
- road users whose lighting is
obscured, such as vehicles running
behind a safety barrier (on a
motorway, for example),
- road users at the top or bottom of
a steep slope, on twisty roads, on
crossroads.
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