Driver Alert System - Dac - Volvo S60 Owner's Manual

04 Driver support

Driver Alert System - DAC*

General information on DAC
04
The DAC (Driver Alert Control) function is
intended to attract the driver's attention when
he/she starts to drive less consistently, e.g. if
he/she becomes distracted or starts to fall
asleep.
A camera detects the side markings painted
on the carriageway and compares the section
of the road with the driver's steering wheel
movements. The driver is alerted if the vehicle
does not follow the carriageway evenly.
NOTE
The camera sensor has certain limitations,
see page 184.
*
188
Option/accessory, for more information, see Introduction.
The objective for DAC is to detect slowly
deteriorating driving ability and it is primarily
intended for major roads. The function is not
intended for city traffic.
In some cases driving ability is not affected
despite driver fatigue. In which case there
may not be any warning issued for the driver.
For this reason it is always important to stop
and take a break in the event of any signs of
driver fatigue, irrespective of whether or not
DAC issues a warning.
NOTE
The function must not be used to extend a
driving stint. Always plan breaks at regular
intervals and ensure that you are fully
rested.
Limitation
In some cases the system may issue a warn-
ing despite driving ability not deteriorating, for
example:
•
in strong side winds.
•
on rutted road surfaces.
Operation
Settings are made from the centre console's
screen and its menu system. For information
on how the menu system is used, see
page 211.
On/Off
To set Driver Alert in standby mode:
•
In MY CAR, search for Car settings
Driver support systems
and check the box - No check in the box:
Function disengaged.
Function
Driver Alert is activated when speed exceeds
65 km/h and remains active as long as the
speed is over 60 km/h.
Driver Alert