display TOYOTA PRIUS 2009 2.G Navigation Manual

SECTION 6
19
APPENDIX
Limitations of the navigation system 19 . . . . . . . . . . . . . . . . . . . . . .
 Map database information and updates 21 . . . . . . . . . . . . . . . . . . .
This navigation system calculates the current vehicle position using satellite sig-
nals, various vehicle signals, map data, etc. However, the accurate position may
not be shown depending on the satellite condition, road configuration, vehicle
condition or other circumstances.
The Global Positioning System (GPS) developed and operated by the U.S. Department
of Defense provides an accurate current vehicle position, normally using 4 or more satel-
lites, and in some cases 3 satellites. The GPS system has a certain level of i\
naccuracy.
While the navigation system will compensate for this most of the time, occasional \
posi-
tioning errors of up to 300 feet (100 m) can and should be expected. Generally , position
errors will be corrected within a few seconds.
When your vehicle is receiving signals from the satellites, the “GPS” mark appears at the
top left of the screen.
The GPS signal may be physically obstructed, leading to inaccurate vehicle \
position on
the map display. 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 mad\
e
to them.
Even when the navigation system is receiving clear GPS signals, the vehi\
cle position
may not be shown accurately or inappropriate route guidance may occur in so\
me cases.
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Limitations of the
navigation system

20
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.
(a) Accurate current vehicle position may not be shown in the following case\
s:
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 the 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 specificati\
ons.
When the tire pressure in any of the four tires is not correct.
INFORMATION
If your vehicle cannot receive GPS signals, you can correct the current po\
sition
manually. For information on setting the current position calibration, see page
108.
(b) Inappropriate route guidance may occur in the following cases:
When turning at an intersection off the designated route guidance.
If you set more than one 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 guidanc\
e.
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During auto reroute, the route guidance may not be available for the next turn \
to the
right or left.
It may take a long time to operate auto reroute during high speed driving.\
In auto re-
route, a detour route may be shown.
After auto reroute, the route may not be changed.
An unnecessary U−
turn may be shown or announced.
A location may have multiple names and the system will announce one or m\
ore.
Some routes may not be searched.
If the route to your destination includes gravel, unpaved roads or alley\
s, 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 regulations prohibiting the entry of the\
vehicle that
vary by time or season or other reasons.
The road and map data stored in your navigation system may not be complete or may
not be the latest version.
After replacing a tire, implement the operation described in the “TIR\
E CHANGE
CALIBRATION”. (See page 109.)
This navigation system uses tire turning data and is designed to work with fa\
ctory −speci-
fied tires for your vehicle. Installing tires that are larger or smaller than the \
originally
equipped diameter may cause inaccurate display of the vehicle’s position. The tire pres-
sure also affects the diameter of the tires so please make sure the tire pressure of\
all four
tires is correct.
This system uses the maps of DENSO.
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Map database informa-
tion and updates

37
Disclaimer of Liability: DENSOSHALL
NOT BE LIABLE TO YOU FOR ANY
CLAIM, DEMAND OR ACTION,
IRRESPECTIVE OF ITS NATURE,
ALLEGING ANY LOSS, INJURY OR
DAMAGES, WHETHER DIRECT,
INDIRECT, INCIDENTAL, SPECIAL
OR CONSEQUENTIAL DAMAGES,
INCLUDING ANY LOSS OF PROFIT,
REVENUE OR CONTRACTS
ARISING OUT OF YOUR
POSSESSION, USE OF OR
INABILITY TO USE THIS
INFORMATION, ANY DEFECT IN
THE INFORMATION, OR THE
BREACH OF THESE TERMS OR
CONDITIONS, WHETHER IN AN
ACTION IN CONTRACT OR TORT
OR BASED ON A WARRANTY, EVEN
IF DENSO OR ITS LICENSORS
HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
Some states, territories and countries
do not allow certain liability exclusions
or damages limitations, so to that
extent the above may not apply to you.
Indemnity. You agree to indemnify,
defend and hold DENSO and its
licensors (including their respective
licensors, suppliers, assignees,
subsidiaries, af filiated companies, and
the respective officers, directors,
employees, shareholders, agents and
representatives of each of them) free
and harmless from and against any
liability, loss, injury (including injuries
resulting in death), demand, action,
cost, expense, or claim of any kind or
character, including but not limited to
attorney’s fees, arising out of or in
connection with any use or possession
by you of this information.
END USER NOTICE
The marks of companies displayed by
this product to indicate business loca-
tions are the marks of their respective
owners. The use of such marks in this
product does not imply any sponsor-
ship, approval, or endorsement by
such companies of this product.
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1. Push the “MENU” button.
2. Touch “Map DVD”.
8U5033bT
Make sure the version of the database on this screen.
To display the disc coverage area, touch “Covered Area”. Confirm the covered area
on the screen.
Contact your dealer to find out if there is a more recent update availab\
le.
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