2006 Lexus ES 330 Navigation Manual - Page 11

2006 Lexus ES 330 Manual

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BASIC FUNCTIONS 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. (a) Accurate current vehicle position may not be shown in the following cases: D When driving on a small angled Y−shaped D D D D D D D D D D D D D D road. When driving on a winding road. When driving on a slippery road such as in sand, gravel, snow, etc. When driving on a long straight road. When freeway and surface streets run in parallel. After moving by ferry or vehicle carrier. When a long route is searched during high speed driving. When driving without setting the current position calibration correctly. After repeating a change of direction by going forward and backward, or turning on a turntable in the parking lot. When leaving a covered parking lot or parking garage. When a roof carrier is installed. When driving with tire chains installed. When the tires are worn. After replacing a tire or tires. 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 signals, you can correct the current position manually. For information on setting the current position calibration, see page 81. 11

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BASIC FUNCTIONS
11
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.
(a) Accurate current vehicle
position may not be shown in
the following cases:
D
When driving on a small angled Y
−
shaped
road.
D
When driving on a winding 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 direction 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 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 information on set-
ting the current position calibration, see
page 81.