2011 Chevrolet Volt Owner's Manual - Page 259

Infotainment System Traffic: Press to enable or disable the traffic function. Traffic Flow Status - Enables or disables the green, yellow, red, and black arrows that display beside the roads and shows the traffic flow or extent of a traffic event. . 7-69 Black indicates a closed road segment. Red indicates significantly impaired traffic flow with average speed of less than 40 km/h (25 mph). Yellow indicates slightly impaired traffic flow with average speed between 40 km and 73 km/h (25 and 45 mph). Green indicates normal traffic flow with average speed above 73 km/h (45 mph). Traffic flow data arrows display on the map when scaled up to eight miles. For Closed Road, Traffic Delays, Incidents, and Advisories, select the traffic event icon that appears 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 alerts displays: . . . Show Traffic ICONs: Press to display traffic icons on the map screen. Also, select what traffic information displays. With no route planned, while on expressways, the Approaching Traffic Event without Avoid screen displays. With a route planned, the Traffic Event on Route screen displays. If the Alert For Approaching Traffic Events is Off, the alert does not display. . .