Owners Manual
Page 338
...Some gasoline contain an octane enhancing additive called MMT (Methylcyclopentadienyl Manganese Tricarbonyl). Toyota does not recommend the use of gasoline containing methanol. CLEANER BURNING GASOLINE Cleaner burning gasoline, including reformulated gasoline that you may come on required emission levels. GASOLINE ...QUALITY In a very few cases, you are encountered (poor hot starting, vaporizing, engine knock, etc.), discontinue its use gasohol in your Toyota, be sure that is used, your Toyota dealer for service....
...Some gasoline contain an octane enhancing additive called MMT (Methylcyclopentadienyl Manganese Tricarbonyl). Toyota does not recommend the use of gasoline containing methanol. CLEANER BURNING GASOLINE Cleaner burning gasoline, including reformulated gasoline that you may come on required emission levels. GASOLINE ...QUALITY In a very few cases, you are encountered (poor hot starting, vaporizing, engine knock, etc.), discontinue its use gasohol in your Toyota, be sure that is used, your Toyota dealer for service....