Twilight Sensor - Ferrari 599 GTB FIORANO Owner's Manual

If the high beam control is activated,
the high beams will turn on every
WARNING WARNING
time the lights are activated
automatically. We recommend
therefore that you turn them off
every time the twilight sensor
deactivates the external lights.
In case of fog during the day, the
position lights and low beams will
WARNING WARNING
not activate automatically. The driver
must always be ready to turn on the
lights manually, and also the rear fog
lights if necessary.
After automatic activation of the external
lights, it will always be possible to turn on
the rear fog lights manually. When the
external lights are deactivated
automatically, also the rear fog lights are
turned off (if active) automatically.
Therefore, if necessary, the user will have
to turn on the rear fog lights manually
upon the next automatic activation.
The driver is always responsible for
turning on the external lights,
WARNING WARNING
depending on the ambient light and
in compliance with the regulations in
force in the country of use. The
automatic system for turning on and
off the external lights must be
considered an aid for the driver. If
necessary, turn the lights on and off
manually.

Twilight sensor

The twilight sensor is comprised of a
global sensor, which measures the
ambient light.
When the sensor is faulty, the system will
turn on the low beams and position lights
independently of the ambient light. The
failure message will appear on the
instrument panel display.
About your vehicle
�
The failure indication will be displayed as
long as the lights switch is turned to
A
AUT.
In this case, we recommend that you
deactivate the automatic system and turn
on the external lights manually if
necessary.
Contact the Ferrari Service Network
as soon as possible.
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