Lexus 2003 LS Owner's Manual page 589

Marked Points
You can register up to 100 marked points. If
you attempt to register more than 100, a
message appears for confirmation.
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If you want to register a new point, delete one
of the marked points. See "(c) Deleting
marked points".
74
(c) Deleting marked points
"MENU"
1. Push the button to display
the Menu screen and touch the
"Marked points"
switch.
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"Delete"
2. Touch the switch of the
marked points.
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3. Touch of the marked point to de-
lete.