2006 Lexus LS 430 Owners Manual - Page 385
2006 Lexus LS 430 Manual
Page 385 highlights
6-1. Specifications NOTICE n Notice of gasoline quality l Do not use leaded gasoline. Leaded gasoline can cause damage to your vehicle's three-way catalytic converters causing the emission control system to malfunction. l Do not use gasohol other than stated above. It will cause fuel system damage or vehicle performance problems. l Use of unleaded fuel with an octane number or rating lower than stated above will cause persistent heavy knocking. If severe, this will lead to engine damage. n Fuel-related poor driveability If after using a different type of fuel, poor driveability is encountered (poor hot starting, vaporization, engine knocking, etc.), discontinue the use of that type of fuel. n When refueling with gasohol Take care not to spill gasohol: It may cause paint damage. 6 Vehicle specifications 375