Owner's Manual
Page 166
...change even though the same amount of fuel remaining in the fuel tank. This display shows the instantaneous fuel economy in miles per gallon (mpg) or liters per 100 kilometers (L/100 km). Unlike average economy, this display to zero, press and hold the set/reset button. ...the current fuel economy at a particular moment and will change if driving conditions change. This display shows the approximate average miles per gallon (mpg) or liters per 100 kilometers (L/100 km). Fuel Range Press the trip/fuel button until INST ECONOMY displays. This estimate will change frequently...
...change even though the same amount of fuel remaining in the fuel tank. This display shows the instantaneous fuel economy in miles per gallon (mpg) or liters per 100 kilometers (L/100 km). Unlike average economy, this display to zero, press and hold the set/reset button. ...the current fuel economy at a particular moment and will change if driving conditions change. This display shows the approximate average miles per gallon (mpg) or liters per 100 kilometers (L/100 km). Fuel Range Press the trip/fuel button until INST ECONOMY displays. This estimate will change frequently...