See also:

ECO gauge
1) U.S.-spec. models 2) Except U.S.-spec. models The ECO gauge shows the difference between the average rate of fuel consumption and the current rate of fuel consumption. Using the average rate ...

For U.S.A
The following information has been compiled according to Code of Federal Regulations “Title 49, Part 575”. ...

Fuel
CAUTION Use of a fuel which is low in quality or use of an inappropriate fuel additive may cause engine damage. ...