tires Lexus ES300h 2015 Navigation Manual

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5. SETUP
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■TIRE CHANGE CALIBRATION
1Select “Tire Change” .
zThe message appears and the quick dis-
tance calibration starts automatically.
The tire change calibration function will
be used when replacing the tires. This
function will adjust miscalculation
caused by the circumference difference
between the old and new tires.
INFORMATION
●
If this procedure is not performed when
the tires are replaced, the current posi-
tion mark may be incorrectly displayed.

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6. TIPS FOR THE NAVIGATION SYSTEM
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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 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.
• 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 If the vehicle cannot receive GPS signals,
the current position can be adjusted
manually. For information on setting the
current position calibration: →P.1 5 7
zAfter replacing a tire: →P.1 5 8

164
6. TIPS FOR THE NAVIGATION SYSTEM
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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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1. LEXUS PARKING ASSIST MONITOR
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PERIPHERAL MONITORING SYSTEM
7
CAUTION
●Do not use the parking assist monitor sys-
tem in the following cases:
• On icy or slick road surfaces, or in snow
• When using tire chains or emergency
tires
• 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 tire 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. 2 9 9 )