Driver Alert Control

Driver Alert Control

Обновления 7/23/2018

The Driver Alert Control (DAC) function is intended to help make the driver aware that he or she is starting to drive less consistently, e.g. if the driver becomes distracted or starts to fall asleep.

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.

The function is activated when speed exceeds 65 km/h (40 mph) and remains active as long as the speed is over 60 km/h (37 mph).

P5-1507-DAS Princip för DAC

A camera detects the edge markings painted on the carriageway and compares the alignment of the road with the driver’s steering wheel movements.

P5-1507-DAC Vinglig väg
P5-1507-DAC Symbol KaffePaus

When driving behaviour starts to become inconsistent, the driver is alerted by this symbol in the driver display, together with the text message Time for a break soon?.

If driving behaviour does not improve but becomes noticeably inconsistent, the driver is alerted by the same symbol in the driver display, combined with an acoustic signal and the text message Time to take a break.

If the Rest Stop Guidance function is activated in Sensus Navigation*, suggestions for a suitable location for a break are also shown with the Time to take a break warning.

The warnings are repeated after a time if driving behaviour has not improved.

Предупреждение

  • The Driver Alert Control function is supplementary driver support intended to facilitate driving and make it safer – it cannot handle all situations in all traffic, weather and road conditions.
  • Driver Alert Control should not be used to extend a period of driving. The driver should instead plan for breaks at regular intervals and make sure they are well rested.
  • Driver Alert Control is not a substitute for the driver's attention and judgement. The driver is always responsible for ensuring the car is driven in a safe manner, at the appropriate speed, with an appropriate distance to other vehicles, and in accordance with current traffic rules and regulations.

Предупреждение

An alarm from Driver Alert Control should be taken very seriously, as a sleepy driver is often not aware of his/her own condition.

If the alarm sounds or you feel fatigued:

  • Stop the car safely as soon as possible and rest.

Studies have shown that it is just as dangerous to drive while tired as it is to drive under the influence of alcohol or other stimulants.


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