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Off route events
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O f f route events
During a trip, the NAV ONE system offers help if a turn is missed or a side trip
is taken from a calculated route. It also allows changes to be made enroute —
including detours, changing route criteria, changing trip plans and canceling
navigation. Trip interruptions, such as lunch or a motel stay, are also accommodated.
Within a short distance of the vehicle leaving a calculated route, the NAV ONE system will recognize
the deviation and provide information to return to the route.
In the case of a missed turn or similar situation, the system will provide voice prompts, such as “Please make
a legal U-turn,” to return to the calculated route while the system remains in the active navigation screen.
If a longer deviation is made and the prompts to return to the route are ignored, the system will calculate a
new route to the destination — often a mini-route to intercept the original route at a later point — provided
the auto reroute option is turned on (see page 91). The new route will be displayed in the active navigation
screen and the voice prompts will adjust accordingly.
If auto reroute is turned off, the system will suspend guidance until the user takes some action,
such as detour or cancel.
Leaving a
. . . . . . . .
calculated
route
19 D Off Route Events 6/15/04 5:39 PM Page 76