2008 Volvo S80 Owner's Manual - Page 169
2008 Volvo S80 Manual
Page 169 highlights
Thumb wheel. Turn this wheel until Driver Alert is displayed. The second line shows the alternative Off, Unavailable, or [-----], i.e., the number of bars. READ button. Confirms and erases a message in the display. Activating DAC In the center instrument panel, go to Car settings Driver Alert. Select On. The function is activated when the vehicle exceeds a speed of 40 mph (65 km/h). The display will show level markings of 1-5 bars, where a low number of bars indicates erratic driving. A high number of bars indicates stable driving. If the vehicle is being driven erratically, the driver will be alerted by an audible signal and the message Driver Alert, Time for a break is displayed. The warning will be repeated after a short time if the driving pattern remains the same. WARNING An alert should be taken seriously since it is sometimes difficult for a driver to realize that he/she is fatigued. In the event of a warning or if the driver feels fatigued, stop as soon as possible in a safe place and rest. 173 04 Comfort and driving pleasure Driver Alert System-option Symbols and messages in the display