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If you put on chains, or change your
tires for ones with a different size.
If trees or other obstacles block the
GPS signals for a considerable period.
If you drive very slowly, or in a start-
and-stop manner, as in a traffic
congestion.
If you join the road after driving
around a large parking lot.
When you drive around a traffic circle.
When starting driving immediately
after starting the engine.
Your navigation system sets a route to your
destination by applying certain built-in
rules to the map data. This section provides
some useful information about how a
route is set.
CAUTION
When a route is calculated, the route and
voice guidance for the route are
automatically set. Also, for day or time
traffic regulations, only information about
Route setting
information
Route search specifications
