Lexus LS460 2008 Owner's Manual page 680

6-1. Specifications
NOTICE
Notice on gasoline quality
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Do not use leaded gasoline.
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Leaded gasoline can cause damage to your vehicle' s three-way catalytic convert-
ers causing the emission control system to malfunction.
Do not use gasohol other than that stated here.
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Other gasohol may cause fuel system damage or vehicle performance problems.
Use of unleaded gasoline with an octane rating lower than 91 may result in engine
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knocking and significantly reduced performance. Persistent knocking can lead to
engine damage and should be corrected by refueling with higher octane
unleaded gasoline.
Fuel-related poor driveability
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If after using a different type of fuel, poor driveability is encountered (poor hot start-
ing, vaporization, engine knocking, etc.), discontinue the use of that type of fuel.
When refueling with gasohol
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Take care not to spill gasohol. It can damage your vehicle's paint.
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