Chevrolet TAHOE - TRUCK NAVIGATION SYSTEM 2010 Owner's Manual page 64

64 Infotainment System
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 less than 25 mph.
•
Yellow indicates slightly impaired
traffic flow with average speed
between 25 and 45 mph.
•
Green indicates normal traffic
flow with average speed
above 45 mph.
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 turn on and to show traffic
event ICONS that appear on
the map screens.
Traffic Event Display Categories
The following are traffic condition
categories and symbols that
can appear on the display:
Category 1, Road Closure:
q
(Road Closed): Road and/or
ramps closed.
Category 2, Traffic Delayed:
o n
/ (Stopped/Slow Traffic):
Traffic stopped, stop and go traffic,
delayed and congested traffic.
Category 3, Incidents:
p
(Alert): Object in the roadway,
disabled vehicle, or dangerous
road conditions.
t
(Accident): Roadway
obstructed due to accident.
s
(Road Works): Delayed traffic
due to construction.
Category 4, Advisories:
j
(Road Condition): Delayed or
stopped traffic, lane blocked or
closed due to a road condition.
k
(Weather): Heavy rain, snow, or
fog weather condition.