GMC 2009 Acadia - Manual (Page 475)

2. Select a traffic condition to get more detailed
information of the event.
Options
Select the Options screen button. A Traffic Options
menu displays. Select the desired traffic related option.
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.
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.
• Black indicates a closed road segment
• Red indicates significantly impaired traffic flow with
average speed between 25 and 45 mph.
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