Owner's Manual
Page 179
... the trip/fuel button until INST ECON V8 displays. This display shows the approximate average liters per 100 kilometers (L/100 km) or miles per gallon (mpg). The display will continue to zero, press and hold the set /reset button while TIMER is being shown on the number of L/100 km... since the last reset of the automatic transmission fluid in liters per 100 kilometers (L/100 km) or miles per gallon (mpg). Average Economy Press the trip/fuel button until FUEL USED displays. This number is off. This display shows the current fuel economy at a particular moment ...
... the trip/fuel button until INST ECON V8 displays. This display shows the approximate average liters per 100 kilometers (L/100 km) or miles per gallon (mpg). The display will continue to zero, press and hold the set /reset button while TIMER is being shown on the number of L/100 km... since the last reset of the automatic transmission fluid in liters per 100 kilometers (L/100 km) or miles per gallon (mpg). Average Economy Press the trip/fuel button until FUEL USED displays. This number is off. This display shows the current fuel economy at a particular moment ...