Lexus GS430 User Manual page 477

G13030
The pre−collision system warning light blinks, and 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.
The above conditions do not indicate a malfunction. If the
problem is removed, the warning lights and message go out
and the system returns to normal.
G13031
If the pre−collision system warning light remains on, and the
above message appears, the pre−collision system may not
operate. Contact your Lexus dealer as soon as possible to
service the vehicle.
STARTING AND DRIVING
Precaution for pre−collision 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 system 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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