2009 GMC Acadia Owner's Manual - Page 475

Traffic: Select to enable or disable the traffic function. Show Traffic ICONS: Select to display traffic icons on the map screen. This function allows selection of the traffic information that is displayed. 2. Select a traffic condition to get more detailed information of the event. Options Traffic Flow Status - This touch screen button is used to enable or disable the green, yellow, red and orange arrows shown beside the roads and used to show the traffic flow or extent of a traffic event. Select the Options screen button. A Traffic Options menu displays. Select the desired traffic related option. • Black indicates a closed road segment • Red indicates significantly impaired traffic flow with average speed between 25 and 45 mph. 2-31