Lexus GS430 User Manual page 121

D Pre−Collision System Warning
G13031
If the pre−collision system is malfunctioning, the
pre−collision system warning light and master warning
light comes on, a warning tone sounds and the above
message appears.
If the above message appears, the pre−collision system may
not operate. Contact your Lexus dealer as soon as possible.
G13030
In the following conditions, the pre−collision system
warning light blinks, the master warning light comes on,
a warning tone sounds, and the above message appears.
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.
GAUGES, METERS AND SERVICE REMINDER INDICATORS
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.
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