Lexus RX450hL Manual page 115

Current position/Tire change
calibration
The current position mark can be
adjusted manually. Miscalculation of
the distance caused by tire replace-
ment can also be adjusted.
1 Display the detailed navigation set-
tings screen:
 "MENU" button  "Setup" 
"Navigation"  "Detailed Navi. Set-
tings"
2
Select "Calibration".
3
Select the desired item.
 For additional information on the
accuracy of a current position:
P.121
Position/Direction calibration
When driving, the current position
mark will be automatically corrected
by GPS signals. If GPS reception is
poor due to location, the current posi-
tion mark can be adjusted manually.
1 Select "Position/Direction".
2
Scroll the map to the desired point
(P.83) and select "OK".
3
Select an arrow to adjust the direc-
tion of the current position mark
and select "OK".
3-4. Setup
Tire change calibration
The tire change calibration function will
be used when replacing the tires. This
function will adjust miscalculation
caused by the circumference differ-
ence between the old and new tires.
1
Select "Select after a Tire Change".
 The message appears and the quick
distance calibration starts automati-
cally.
● If this procedure is not performed when
the tires are replaced, the current posi-
tion mark may be incorrectly displayed.
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