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subject to the same route conditions even
though different route conditions are set for
different sections in [Edit/Add to Route].
. If [Use Time Restricted Roads] is deacti-
vated, the system calculates a route without
any consideration of the regulations con-
cerning the time or day of the week. There-
fore, the suggested route may include a road
subject to traffic regulations concerning the
time or day of the week. When driving along
the route, always follow all traffic regulations
regardless of whether [Use Time Restricted
Roads] is ON or OFF.
. If the system cannot calculate any alternative
routes, it displays the previous route.
. If the vehicle overly deviates from the
suggested route, the system calculates a
new route.
. Statistical traffic information is based on
previous traffic data. When the traffic situa-
tion rapidly changes due to unexpected
accidents, construction work, traffic restric-
tions, emergencies, etc., the prediction
accuracy of the system may be reduced.
. Traffic jam information displayed on the map
screen is not statistical traffic information.
. When [Use Statistical Traffic Information] is
turned on, the system may lead to a road
where a traffic jam occurs or to a detour
even though the shortest route does not
have a traffic jam.
. Even when [Use Real Time Traffic Informa-
tion] is turned on, if traffic information has
not been provided for the area, sometimes it
is possible that a detour will not be indicated
in a location where a traffic jam occurs.
. The system may not lead to a detour if traffic
closure or a traffic jam occurs far from the
present location.
. The system calculates to reduce the time
required for the entire route from the start to
destination. If there are no appropriate
routes, the system may lead to a route
where a traffic jam occurs instead of leading
to a detour.
. This system can learn and memorize the
route that is most frequently used. However,
despite driving on the same route several
times so that the system can learn the route,
the system may have difficulty learning the
route under the following conditions:
— [Use Time Restricted Road] is turned on.
— [Use Real Time Traffic Info] is turned on.
Route guidance 5-25