2004 Lexus GS 300 Navigation Manual - Page 64

2004 Lexus GS 300 Manual

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Limitations of the Navigation System (a) Accurate current vehicle position may not be shown in the following cases: D When driving on a small angled Yshaped road. D When driving on a spiral road. D When driving on a slippery road such as in sand, gravel, snow, etc. D When driving on a long straight road. D When freeway and surface streets run in parallel. D After moving by ferry or vehicle carrier. D When a long route is searched during high speed driving. D When driving without setting the current position calibration correctly. D After repeating a change of directions by going forward and backward, or turning on a turntable in the parking lot. D When leaving a covered parking lot or parking garage. D When a roof carrier is installed. D When driving with the tire chains installed. D When the tires are worn. 54 D After replacing a tire or tires. D When using tires that are smaller or larger than the factory specifications. D When the tire pressure in any of the four tires is not correct. (b) Inappropriate route guidance may occur in the following cases: D When turning at a wrong intersection off the designated route guidance D If you set more than one destination, auto reroute will display a route returning to the destination on the previous route when you try to skip any of the destinations. D When turning at an intersection, there is no route guidance. D When passing through the intersection, there is no route guidance. D During automatic rerouting, the route guidance may not be available for the next turn to the right or left. D It may take a long time to operate auto reroute during high speed driving. In auto reroute, a detour route may be shown. D After auto reroute, the route may not be changed. D An unnecessary U-turn may be shown or announced. D A location may have multiple names and the system will announce one or more. INFORMATION If your vehicle cannot receive GPS signals, you can correct the current position manually. For the information on setting the current position calibration, see page 80.

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Limitations of the Navigation System
54
(a)
Accurate current vehicle posi-
tion may not be shown in the fol-
lowing cases:
D
When driving on a small angled Y-
shaped road.
D
When driving on a spiral road.
D
When driving on a slippery road such as
in sand, gravel, snow, etc.
D
When driving on a long straight road.
D
When freeway and surface streets run in
parallel.
D
After moving by ferry or vehicle carrier.
D
When a long route is searched during high
speed driving.
D
When driving without setting the current
position calibration correctly.
D
After repeating a change of directions by
going forward and backward, or turning
on a turntable in the parking lot.
D
When leaving a covered parking lot or
parking garage.
D
When a roof carrier is installed.
D
When driving with the tire chains installed.
D
When the tires are worn.
D
After replacing a tire or tires.
D
When using tires that are smaller or larger
than the factory specifications.
D
When the tire pressure in any of the four
tires is not correct.
INFORMATION
If your vehicle cannot receive GPS sig-
nals, you can correct the current posi-
tion manually. For the information on
setting the current position calibration,
see page 80.
(b) Inappropriate route guidance
may occur in the following cases:
D
When turning at a wrong intersection off
the designated route guidance
D
If you set more than one destination, auto
reroute will display a route returning to the
destination on the previous route when
you try to skip any of the destinations.
D
When turning at an intersection, there is
no route guidance.
D
When passing through the intersection,
there is no route guidance.
D
During automatic rerouting, the route
guidance may not be available for the next
turn to the right or left.
D
It may take a long time to operate auto re-
route during high speed driving. In auto
reroute, a detour route may be shown.
D
After auto reroute, the route may not be
changed.
D
An unnecessary U-turn may be shown or
announced.
D
A location may have multiple names and
the system will announce one or more.