2017 Lexus GS350 navigation system

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5. SETUP
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NAVIGATION SYSTEM
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No.FunctionPage
Select to set the automatic
screen button hiding func-
tion on/off. When set to on,
certain screen buttons on
the map screen will disap-
pear several seconds after
the Remote Touch has
been operated. When set
to off, all the screen buttons
will always be displayed.

Select to set display of pop-
up information on/off.
Select to set favorite POI
categories that are used for
POI selection to display on
the map screen.
134
Select to set display of low
fuel warning on/off.134
Select to set IPD road guid-
ance on/off.
Select to set the voice guid-
ance for the next street
name on/off.

Select to set display of the
3D city model map on/off.
Select to change the view-
ing angle of the 3D map.135
Select to adjust the current
position mark manually or
to adjust miscalculation of
the distance caused by tire
replacement.
135
Select to reset all setup
items.
No.FunctionPage

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5. SETUP
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NAVIGATION SYSTEM
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1Display the “Detailed Navi. Settings”
screen.
(→ P.1 3 2 )
2Select “3D Map Viewing Angle” .
3Select “Up” or “Down” to change the
viewing angle.
“Default” : Select to set the initial angle.
1Display the “Detailed Navi. Settings”
screen.
(→ P.1 3 2 )
2Select “Calibration” .
3Select the desired item.
■POSITION/DIRECTION CALI-
BRATION
1Select “Position / Direction” .
2Scroll the map to the desired point
(
→P.83) and select “OK”.
3Select an arrow to adjust the direction of
the current position mark and select
“OK”.
CHANGING VIEWING
ANGLE OF 3D MAPCURRENT POSITION/TIRE
CHANGE CALIBRATION
The current position mark can be adjust-
ed manually. Miscalculation of the dis-
tance caused by tire replacement can
also be adjusted.
z For additional information on the accu-
racy of a current position: →P.1 3 9
When driving, the current position mark
will be automatically corrected by GPS
signals. If GPS reception is poor due to
location, the current position mark can
be adjusted manually.

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5. SETUP
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NAVIGATION SYSTEM
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2. TRAFFIC SETTINGS*
1Press the “MENU” button on the
Remote Touch.
2Select “Setup” .
3Select “Traffic” .
4Select the items to be set.
Traffic information such as traffic con-
gestion or traffic incident warnings can
be made available. SCREEN FOR TRAFFIC
SETTINGS
No.Function
Select to set the avoid traffic function
auto/manual. ( →P.138)
Select to set the usage of traffic infor-
mation for the estimated arrival time
on/off.
Select to set the display of an arrow
of free flowing traffic on/off.
Select to set to on/off whether to
consider the predictive traffic infor-
mation ( →P.91) with estimated ar-
rival time and detoured route search.
Select to set traffic incident voice
warning on/off.
Select to reset all setup items.
*: This function is not made available on some models.

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5. SETUP
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1Display the “Traffic Settings” screen.
(→ P.137)
2Select “A v o i d Tr a f f i c ” .
3Select the desired item.
■CHANGING THE ROUTE MANU-
ALLY
1Select the desired item.
AUTO AVOID TRAFFIC
No.Function
Select to automatically change
routes when congestion information
of the guidance route has been re-
ceived.
Select to select manually whether or
not to change routes when conges-
tion information of the guidance
route has been received. In this
mode, a screen will appear to ask if
you wish to reroute.
Select to not reroute when conges-
tion information for the guidance
route has been received.
When the navigation system calculates
a new route, the following screen will be
displayed.
No.Function
Select to start route guidance using
the new route.
Select to confirm the new route and
current route on the map.
Select to continue the current route
guidance.

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NAVIGATION SYSTEM
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6. TIPS FOR THE NAVIGATION SYSTEM
1. GPS (GLOBAL POSITIONING SYSTEM)
The Global Positioning System (GPS) de-
veloped and operated by the U.S. Depart-
ment of Defense provides an accurate
current position, normally using 4 or more
satellites, and in some case 3 satellites. The
GPS system has a certain level of inaccura-
cy. While the navigation system compen-
sates for this most of the time, occasional
positioning errors of up to 300 ft. (100 m)
can and should be expected. Generally, po-
sition errors will be corrected within a few
seconds.When the vehicle is receiving signals from
satellites, the “GPS” mark appears at the
top left of the screen.
The GPS signal may be physically obstruct-
ed, leading to inaccurate vehicle position on
the map screen. Tunnels, tall buildings,
trucks, or even the placement of objects on
the instrument panel may obstruct the GPS
signals.
The GPS satellites may not send signals due
to repairs or improvements being made to
them.
Even when the navigation system is receiv-
ing clear GPS signals, the vehicle position
may not be shown accura
tely or inappropri-
ate route guidance may occur in some cas-
es.
LIMITATIONS OF THE
NAVIGATION SYSTEM
This navigation system calculates the
current position using satellite signals,
various vehicle signals, map data, etc.
However, an accurate position may not
be shown depending on satellite condi-
tions, road configuration, vehicle condi-
tion or other circumstances.
NOTICE
● The installation of window tinting may
obstruct the GPS signals. Most window
tinting contains some metallic content
that will interfere with GPS signal recep-
tion of the antenna in the instrument
panel. We advise against the use of win-
dow tinting on vehicles equipped with
navigation systems.

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6. TIPS FOR THE NAVIGATION SYSTEM
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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 freeway 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 tire chains installed.
• When the tires are worn.
• After replacing a tire or tires.
• When using tires that are smaller or larger than the factory specifications.
• When the tire pressure in any of the 4 tires is not correct. z
Inappropriate 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.
• Your destination point might be shown on the opposite side of the street.
z If the vehicle cannot receive GPS signals,
the current position can be adjusted
manually. For information on setting the
current position calibration: →P.1 3 5

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6. TIPS FOR THE NAVIGATION SYSTEM
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NAVIGATION SYSTEM
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• When a portion of the route has regula-tions prohibiting the entry of the vehicle
that vary by time, season or other reasons.
• The road and map data stored in the navi- gation system may not be complete or
may not be the latest version.
z After replacing a tire: →P.1 3 6
INFORMATION
●This navigation system uses tire turning
data and is designed to work with factory-
specified tires for the vehicle. Installing
tires that are larger or smaller than the
originally equipped diameter may cause
inaccurate display of the current position.
The tire pressure also affects the diame-
ter of the tires, so make sure that the tire
pressure of all 4 tires is correct.

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6. TIPS FOR THE NAVIGATION SYSTEM
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2. MAP DATABASE VERSION AND COVERED AREA
1Select on the map screen.
(→ P.78)
2Select “Map Data” .
3Check that the map data screen is dis-
played.
MAP INFORMATION
Coverage areas and legal information
can be displayed and map data can be
updated.
No.Function
Map version
Select to update map.
Select to display map coverage ar-
eas.
Select to display legal information.
INFORMATION
●Map data updates are available for a fee.
Contact your Lexus dealer for further
information.
ABOUT THE MAP DATA
Map data for the navigation system is
contained in a microSD card that is in-
serted in the microSD card slot located
at the bottom of the audio control panel.
Do not eject the microSD card, as doing
so may deactivate the navigation sys-
tem.
NOTICE
●Do not edit or delete the map data on the
microSD card, as doing so may deacti-
vate the navigation system.
INFORMATION
●microSDHC Logo is a trademark of SD-
3C,LLC.