Lexus SC 430 2006 Owner's Manual page 275

5-2. Steps to take in an emergency
If the low tire pressure warning light comes on or blinks, or chimes sound
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Vehicles with run- flat tires
If the warning light is on, the tire inflation pressure is lower than specified
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Stop your vehicle at a safe place as soon as possible.
Check and adjust the tire inflation pressure as specified on the tire and
loading information label. (P.219) If the warning light comes on or
blinks even after tire inflation pressure adjustment, it is probable that you
have a flat tire.
If you cannot verify the tire inflation pressure soon, go to the nearest Lexus
dealer or authorized tire dealer at the moderate speed.
If any tire must be replaced, see "If you have a flat tire" (P.268)
If the warning light blinks and chimes sound every few minutes, the tire inflation
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pressure is very low
Decrease your speed as soon as possible and call a Lexus dealer, Road-
side Assistance or Customer Service Assistance ( Inside front cover)
Take your vehicle to the nearest Lexus dealer or authorized tire dealer at
the moderate speed.
The tire must be replaced. (P.212)
Do not use the repaired tire.
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