service indicator NISSAN TITAN 2004 1.G Navigation Manual

POSITIONING ADJUSTMENT
When the system judges that the vehicle posi-
tion information is not accurate based on vehicle
speed and gyro sensor data calculations, the
system will adjust the vehicle position informa-
tion using GPS signals.
RECEIVING SIGNALS FROM GPS
SATELLITES
Sometimes, satellite reception is weak. The fol-
lowing are places where signals tend to be
weak:
cInside tunnels and parking lots in buildings
cAreas with numerous tall buildings
cUnder multi-layered highways
cIn a dense forest
cNear military bases and certain government
facilities
Vehicles in these areas may not receive GPS
signals (Indicator color: gray) .
INFO:
The antenna for GPS is located on the instru-
ment panel inside the vehicle.Do not place
any objects, especially mobile phones or
transceivers, on the instrument panel.Be-cause the strength of the GPS signals are ap-
proximately one billionth of that of TV waves;
phones and transceivers will decrease the
strength or may totally disrupt the signals.
DISPLAY OF GPS INFORMATION
This system displays GPS information.
Please refer to “GPS information display” on
page 11-17.
NOTE:
Directional guidance provided by the navi-
gation system does not take carpool lane
driving into consideration, especially when
carpool lanes are separated from other
road lanes.This system is designed to help you reach your
destination, and also performs other functions as
outlined in this manual. However, you, the driver,
must use the system safely and properly. Infor-
mation concerning road conditions, traffic signs
and the availability of services may not always be
up-to-date. The system is not a substitute for
safe, proper, and legal driving.
Map data covers select metropolitan areas in the
United States.
Map data is available on map DVD-ROM. For in-
formation about map DVD-ROMs, contact a
NISSAN dealer or call the NISSAN Navigation
System help desk at 1-800-NISSAN-1
(1-800-647-7261) .
Map data includes 2 types of areas: “Detailed
coverage areas” providing all detailed road data
and other areas showing “Main roads only”.
NOTE:
Detailed map data is not available in many
areas and is generally limited to select ma-
jor metropolitan areas.
For information on which metropolitan areas are
in detailed coverage areas, please refer to the
NISSAN Navigation System Software Booklet
(included) . When you purchase an updated map
DVD-ROM, a new software booklet will be
provided.
DETAILED MAP COVERAGE AREAS
(MCA) FOR THE NAVIGATION SYS-
TEM
How does the Nissan navigation system work?2-3
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