2009 GMC Acadia Owner's Manual - Page 476

• Yellow indicates slightly impaired traffic flow with average speed between 25 and 45 mph. On-Route Select the On Route touch screen button to display all events ahead on the current active route. If no traffic events have been reported on route, No Traffic Events Reported On route displays. • Green indicates normal traffic flow with average speed above 45 mph. • Orange indicates construction. Traffic flow data arrows display on the map when scaled up to eight miles. Closed Road, Traffic Delays, Incidents, and Advisories - These four touch screen buttons are used to select the traffic event ICONS that appear on the map screens. Alert for Approaching Traffic Events: When On, if an approaching traffic event is within the alert range, one of two traffic alert pop-up screens display: • With no route planned, while on expressways, Approaching Traffic Event without Avoid screen displays. • With route planned, Traffic Event on Route screen displays. If the Alert for Approaching Traffic Events is Off, the alert pop-up screen does not display. 2-32