2012 Dodge Charger Owner Manual SRT8 - Page 436

434 STARTING AND OPERATING • disconnect and reconnect the battery to reset the therefore, you should ask your gasoline retailer whether the gasoline contains MMT. It is even more important to engine controller memory look for gasoline without MMT in Canada, because MMT More extensive repairs will be required for prolonged can be used at levels higher than those allowed in the exposure to E-85 fuel. United States. MMT is prohibited in Federal and California reformulated gasoline. MMT In Gasoline MMT is a manganese-containing metallic additive that is Materials Added To Fuel blended into some gasoline to increase octane. Gasoline All gasoline sold in the United States is required to blended with MMT provides no performance advantage contain effective detergent additives. Use of additional beyond gasoline of the same octane number without detergents or other additives is not needed under normal MMT. Gasoline blended with MMT reduces spark plug conditions and they would result in additional cost. life and reduces emissions system performance in some Therefore, you should not have to add anything to the vehicles. The manufacturer recommends that gasoline fuel. without MMT be used in your vehicle. The MMT content of gasoline may not be indicated on the gasoline pump,