Acura 2012 TL Navigation User Manual download pdf (Page 132)

System Limitations

Navigation System

131

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 sky. The signal

can easily be interrupted or interfered

with by the following:

• Aftermarket metallic window tint

above or to the sides of the GPS

antenna (located on the back of the

navigation display)

• Cell phones, PDAs, or other

electronic devices docked in a cradle

or lying loose on the dashboard

• Remote starters or “hidden” vehicle

tracking systems mounted near the

navigation unit

• Other aftermarket 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 route. Try changing

the method of routing. See Changing

the Routing Method on page 53 . You may

also have Unveriﬁ ed Area Routing set

to OFF. See Unveriﬁ ed Area Routing on

page 108 .

Additionally, the mapping database

contains veriﬁ ed and unveriﬁ ed maps.

See Map Overview on page 6 . A

Disclaimer screen will warn you if

your route includes unveriﬁ ed streets.

Unveriﬁ ed streets may be missing from

the map, in the wrong location, or have

an incorrect name or address range.

Exercise additional caution when

driving in these unveriﬁ ed areas.

The destination icon shows the

approximate location of the destination.

This occurs because a city block can

have as many as 100 possible addresses

(for example, the 1400 block is followed

by the 1500 block) Since most cities

use only a portion of the 100 possible

addresses (for example, in the 1400

block, the addresses may only go up to

1425 before the 1500 block starts), the

address 1425 will be shown a quarter of

the way down the block by the system

instead of at the end of the block where

the destination is actually located.

You may ﬁ nd that the system

occasionally reboots. This is indicated

by the display returning to the globe

screen. A reboot can be caused by a

number of things, such as extreme

temperatures or shock from bumpy

roads. It does not necessarily indicate

a problem that requires service. If this

happens frequently, please see your

dealer.

System Limitations

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