Precaution For Pre-Collision Safety System - Lexus 2004 LS430 Owner's Manual

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The above message appears in the following conditions:
D The millimeter wave radar sensor or the grille cover is
dirty.
Clean the grille or sensor with a soft cloth to remove the dirt.
D The pre-collision seat belts are activated repeatedly for
a short time.
The system turns off temporarily for overheating protection,
but turns back on after a while.
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If there is a problem somewhere in the pre-collision safety
system, the above message appears.
If the above message appears, the pre-collision safety system
may not operate. Contact your Lexus dealer as soon as
possible to service the vehicle.
STARTING AND DRIVING

Precaution for pre-collision safety system

It should be noted that the pre-collision sensor may detect the
following as the objects with which your vehicle might collide,
and the pre-collision safety may operate, even though there
is no possibility of collision.
D When traveling through a curve, there is an object on the
edge of the road.
D When traveling through a curve, another vehicle is passing
from the opposite direction.
D When traveling across a narrow iron bridge.
D When there is a metallic object on the road.
D When there is a steel plate on the road at a construction site.
D When there is a bump on the road.
D When waiting to turn to the left in an intersection, and
another vehicle is passing from the opposite direction.
D If your vehicle approaches another vehicle ahead very
quickly.
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