185
6. TIPS FOR THE NAVIGATION SYSTEM
IS300h/250_Navi_EE
NAVIGATION SYSTEM
3
zAccurate current position may not be
shown in the following cases:
• When driving on a small angled Y-shaped
road.
• When driving on a winding road.
• When driving on a slippery road such as
in sand, gravel, snow, etc.
• When driving on a long straight road.
• When motorway and surface streets run
in parallel.
• After moving by ferry or vehicle carrier.
• When a long route is searched during
high speed driving.
• When driving without setting the current
position calibration correctly.
• After repeating a change of direction by
going forward and backward, or turning
on a turntable in a parking lot.
• When leaving a covered parking lot or
parking garage.
• When a roof carrier is installed.
• When driving with tyre chains installed.
• When the tyres are worn.
• After replacing a tyre or tyres.
• When using tyres that are smaller or
larger than the factory specifications.
• When the tyre pressure in any of the 4
tyres is not correct. zInappropriate route guidance may occur in
the following cases:
• When turning at an intersection off the
designated route guidance.
• If you set more than 1 destination but skip
any of them, auto reroute will display a
route returning to the destination on the
previous route.
• When turning at an intersection for which
there is no route guidance.
• When passing through an intersection for
which there is no route guidance.
• During auto reroute, the route guidance
may not be available for the next turn to
the right or left.
• During high speed driving, it may take a
long time for auto reroute to operate. In
auto reroute, a detour route may be
shown.
• After auto reroute, the route may not be
changed.
• If an unnecessary U-turn is shown or
announced.
• If a location has multiple names and the
system announces 1 or more of them.
• When a route cannot be searched.
• If the route to your destination includes
gravel, unpaved roads or alleys, the route
guidance may not be shown.
zIf the vehicle cannot receive GPS signals,
the current position can be adjusted
manually. (→P.1 7 3 )
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287
1. LEXUS PARKING ASSIST MONITOR
PERIPHERAL MONITORING SYSTEM
IS300h/250_Navi_EE
6
CAUTION
●The instructions given are only guidelines.
When and how much to turn the steering
wheel will vary according to traffic condi-
tions, road surface conditions, vehicle
condition, etc. when parking. It is neces-
sary to be fully aware of this before using
the parking assist system.
●When parking, be sure to check that the
parking space will accommodate your
vehicle before maneuvering into it.
●Do not use the parking assist monitor sys-
tem in the following cases:
• On icy or slick road surfaces, or in snow
•When using tyre chains
• When the trunk is not closed com-
pletely
• On roads that are not flat or straight,
such as curves or slopes
●In low temperatures, the screen may
darken or the image may become faint.
The image could distort when the vehicle
is moving, or you may become unable to
see the image on the screen. Be sure to
visually check all around the vehicle both
directly and using the mirrors before pro-
ceeding.
●If the tyre sizes are changed, the position
of the guide lines displayed on the screen
may change.
●The camera uses a special lens. The dis-
tances between objects and pedestrians
that appear in the image displayed on the
screen will differ from the actual dis-
tances. (→P. 3 0 6 )
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