6 BEFORE USE
Warnings
■ Limitations of the navigation
system
This navigation system calculates the current
vehicle position using satellite signals,
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 satellites, and in some cases 3
satellites. The GPS system has a certain
level of inaccuracy. While the navigation
system will compensate for this most of the
time, occasional positioning errors of up to
100 m (300 feet) 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 blocked bar marks appear
at the bottom right 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 made to
them.
Even when the navigation system is receiving
clear GPS signals, the vehicle position may
not be shown accurately or inappropriate
route guidance may occur in some cases.
NOTICE
The installation of window tinting may
obstruct the GPS signals. Most window
tinting contains some metallic content that
will interfere with GPS signal reception. We
advise against the use of window tinting on
vehicles equipped with navigation systems.
TACM2010_EN.book Page 6 Tuesday, October 5, 2010 3:44 PM
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