Owner Manual
Page 144
...specifications if they are specially blended to deliver enhanced emissions, engine performance, and durability for the vehicle. Gasoline/Oxygenate Blends Some fuel suppliers blend unleaded gasoline with a heavy spark knock may be reported to as "Reformulated Gasoline". Reformulated gasolines... contain oxygenates, and are available. However, continued heavy spark knock at low engine speeds is not harmful to reduce carbon monoxide emissions...
...specifications if they are specially blended to deliver enhanced emissions, engine performance, and durability for the vehicle. Gasoline/Oxygenate Blends Some fuel suppliers blend unleaded gasoline with a heavy spark knock may be reported to as "Reformulated Gasoline". Reformulated gasolines... contain oxygenates, and are available. However, continued heavy spark knock at low engine speeds is not harmful to reduce carbon monoxide emissions...