2011 Volvo S80 Owner's Manual - Page 180

04 Comfort and driving pleasure Driver Alert System* Operating DAC Certain settings can be made from the menu system controlled from the center instrument panel. The current system status can be checked on the trip computer's display by using the buttons on the left steering wheel lever. Thumb wheel. Turn this wheel until Driver Alert is displayed. The second line shows the alternatives Off, Unavailable, or [----], i.e., the number of bars. READ button. Confirms and erases a message in the display. 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. Activating DAC In the center instrument panel, go to Car settings and select Driver Alert on. WARNING • • 04 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. 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. Symbols and messages in the display Symbol - Message Driver alert off Driver alert Unavailable Description The function is not switched on. The vehicle's speed is below 37 mph (60 km/h) or the road lacks clear marking lines. 180 * Option/accessory, for more information, see Introduction.