2023 Volvo XC40 Mild Hybrid Driver Alert Control Owners Manual

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2023 Volvo XC40 Mild Hybrid Driver Alert Control

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Driver Alert

The Driver Alert 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 the function 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).

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Driver Alert reads the position of the car in the lane.

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

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The car is being driven erratically in the lane.

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If driving behavior becomes noticeably inconsistent, the driver is alerted by this symbol in the driver display, combined with an acoustic signal and the text message Time for a break Driver Alert.

The warning is repeated after a time if driving behavior has not improved.

Warning

Driver Alert 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.

Warning

An alarm from Driver Alert 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.

Warning

  • The 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.
  • The driver is advised to read all sections in the Owner’s Manual that relate to this function to learn about factors such as its limitations and what the driver should be aware of before using the system.
  • Driver support functions are 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.

Limitations of Driver Alert

The Driver Alert function may have limitations in certain situations.

In some cases the system may issue a warning despite driving ability not deteriorating, for example:

  • in strong side winds
  • on rutted road surfaces.

Warning

In some cases, driving behaviour is not affected despite driver fatigue – e.g. when using the Pilot Assist (Option/accessory) function – resulting in the driver not getting a warning from Driver Alert.

Note

This function uses the car’s camera and radar units, which have certain general limitations.

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