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These roads are found within metropolitan areas, and
When
include interstate freeways and major roads connecting
displayed
cities.
Shown as red (freeways), pink (state routes), or gray
Street color
(verifi ed streets) on the daytime map screen.
The database vendor has verifi ed these streets.
Information like turn restrictions, average speed, and
Map quality
whether it is a one-way street have been gathered and used
when creating your route to a destination.
While driving to your destination, the displayed route line
Routing
is solid blue. The system provides voice and map guidance
differences
to your destination.
There are no pop-up boxes urging extra caution during
a route. However, because roads constantly change, you
Cautions
are urged to use common sense, and always obey posted
traffi c restrictions.
Voice guidance issues instructions such as "In a half-mile,
Guidance
make a right turn."
voice
Time and
The time and distance "to go," displayed while en route to
distance
a destination, is based on the average speed and distance
"to go"
for the roads used for your route.
Verifi ed streets
Unverifi ed streets
These roads are found in rural areas, and typically include
residential streets away from the center of a town.
Shown on the daytime map screen as purple.
These streets have not been verifi ed by the database
vendor. The system does not contain information on one-
way streets, turn restrictions, or the road's average speed.
They are shown on the map for reference and may have
errors in map location, naming, and address range.
Your route line is either a purple dotted "vector line," or
a dashed pink/blue line. For information on selecting this
option, and the routing differences, see Unverifi ed Area
Routing on page 102 .
Regardless of whether the user chooses route guidance,
there are cautionary screens before and during the route
urging the user to be extra cautious, and obey all traffi c
restrictions. See Unverifi ed Area Routing on page 102 .
The phrase "if possible" is added to each guidance
instruction. For example: "In a half-mile, make a right
turn, if possible."
The time and distance "to go," displayed while en route to
a destination, is based on the average speed and distance
for the roads used for your route.
Introduction
Navigation System
7
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