Volvo FM Handbook page 186

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The system is controlled from the display menu, see
"Vehicle settings" in the Display section. DAS can be
selected as a favourite in the display.
DAS is activated automatically when the truck starts.
The system is activated at a speed of 65 km/h, when it
is switched on via the display.
The display shows a level indicator with 1–5 bars. If
no bars are visible, the system is inactive or turned off.
In order for the symbol to be seen in the display, DAS
must be selected as a favourite, see the Display
section.
The system is inactivated at speeds below 60 km/h.
DAS provides information to the driver in the form of
bars in the display. The number of bars decreases with
deteriorated lane keeping. The driver is alarmed when
the vehicle does not follow road markings in an even
manner. The alarm warns via a message in the display
and a sound signal.
The up/down buttons are used for scrolling between
the messages. Use the Esc button to close a message.
For the DAS to function, the following conditions
must be met:
• The system is engaged
• The road has legible lane markings
• The truck has a speed in excess of 65 km/h
Driving 175
Note!
The system does not affect the
brakes, steering or other systems in
the vehicle. It only emits audible
signals via the instrument panel and
shows messages in the display.
Warning!
Driver Alert Support can be
inactivated by indistinct road
markings or certain weather
conditions, e.g. heavy rain or
snowfall.
Level marking for
Driver Alert Support
Note!
DAS should not be used to increase
the length of a driving session.
Tiredness is deceptive and it is
difficult to sense when it is starting
to become dangerous. So make sure
that you are properly rested before a
journey and take regular breaks.
J153857

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