Navigation System5
Introduction
Accessories Precautions
If you have front window tinting
installed, be aware that if the tint has
metallic properties, it can seriously
degrade or prevent GPS reception. This
is because the GPS antenna is located
under the dashboard.
If you plan to install electronic
components such as radar detectors,
vehicle location devices, remote
starters, additional amplifiers, or other
audio components, ensure that they are
not located near the navigation control
unit under the driver’s seat, near the
navigation screen in the dash, or near
the GPS antenna under the dashboard.
Signal noise emanating from these
devices can cause intermittent
disruption of the navigation system.
Important Safety Information
The navigation system can distract your
attention from the road if you focus on
the screen or operate the system’s
controls while driving.
Enter as much information as possible
into the system before you begin
driving, or when the vehicle is stopped.
Then, as you drive, listen to the audio
instructions and use voice commands
when possible.
While driving, do not look at the screen
or operate the system controls for more
than a second or so at a time, and only
after deciding you can do so safely. Pull
to the side of the road if you need more
time to look at the screen or operate the
controls.
Using the navigation system
while driving can take your
attention away from the road,
causing a crash in which you
could be seriously injured or
killed.
Follow all operating instructions
and safety information in this
manual.
WARNING
2008 Ridgeline
96Navigation System
System Limitations
Although your navigation system is one
of the most highly sophisticated pieces
of equipment you will find in a modern
automobile, you may find during its use,
that it has certain limitations.
The system uses signals from the Global
Positioning System (GPS) to aid in
determining its current location. The
GPS is operated by the U.S.
Department of Defense. For security
reasons, there are certain inaccuracies
built into the GPS that the navigation
system must constantly compensate for.
This can cause occasional positioning
errors of up to several hundred feet.
For example, in urban areas where
streets are close together, this could
cause the system to show that you are
traveling on a street that parallels the
street you are actually on. The system
will, under most circumstances, correct
itself while you drive. Also, depending on your current view of
the sky and the position of the satellites,
the elevation may be shown incorrectly.
You may also notice some delay of the
vehicle position icon at intersections;
this is normal.
GPS Reception Issues
The signals received from the GPS
satellites are extremely weak (less than
a millionth of the strength of a local FM
station), and require an unobstructed
view of the sky. The
signal can easily be
interrupted or interfered with by the
following:
After-market metallic window tint above or to the sides of the GPS
antenna (located under the dash)
Cell phones, PDAs, or other electronic devices docked in a cradle
or laying loose on the dash
Radar detectors mounted on the dash
Remote starters, or “hidden” vehicle location systems mounted near the
navigation unit
Other after-market audio electronic devices mounted near the navigation
unit Trees, tall buildings, freeway
overpasses, tunnels or overhead
electrical power wires
Although the system will direct you to
your desired destination, it may not
always generate what you consider to be
the most direct rout e. Try changing the
method of routing. See Changing the
Routing Method on page43. You may
also have Unverified Area Routing set
to “OFF.” See Unverified Area Routing
on page81.
Additionally, the mapping database
contains verified and unverified maps.
See Map Overview on page6. A
Disclaimer screen will warn you if your
route includes unverified streets.
Unverified streets may be missing from
the map, in the wrong location, or have
an incorrect name or address range.
Exercise addition al caution when
driving in these unverified areas.
2008 Ridgeline
