Volvo V70 Owner's Manual page 175

04 Comfort and driving pleasure
Driver Alert System – DAC*
Symbol Message
Driver Alert
Driver Alert Time for a
break
Windscreen Sensors
04
blocked
Driver Alert Sys Service
required
*
174
Option/accessory, for more information, see Introduction.
Specification
The function analyses the driver's driving style.
The number of bars can vary in the range 1-5, where a low number of bars indicates inconsistent
driving ability. A high number of bars indicates stable driving.
The vehicle has been driven inconsistently; the driver is alerted by an acoustic warning signal + text.
The camera sensor is temporarily disengaged.
Shown in the event of snow, ice or dirt on the windscreen for example.
Clean the windscreen surface in front of the camera sensor.
Read about the limitations of the camera sensor, see page 169.
The system is disengaged.
Contact an authorised Volvo workshop if the message remains.