Owner's Manual
Page 158
...See Check Gages Warning Light on the instrument panel cluster will then be reset. 3-44 Average fuel economy is how many miles per gallon (MPG), kilometers per liter (km/L), or liters per 100 kilometers (L/100 km) your vehicle is getting based on fuel economy and the fuel remaining... is based on current and past driving conditions. Average fuel economy will also be illuminated. Instant fuel economy is how many miles per gallon (MPG), kilometers per liter (km/L), or liters per 100 kilometers (L/100 km) your driving conditions change, this button to reset the average fuel economy...
...See Check Gages Warning Light on the instrument panel cluster will then be reset. 3-44 Average fuel economy is how many miles per gallon (MPG), kilometers per liter (km/L), or liters per 100 kilometers (L/100 km) your vehicle is getting based on fuel economy and the fuel remaining... is based on current and past driving conditions. Average fuel economy will also be illuminated. Instant fuel economy is how many miles per gallon (MPG), kilometers per liter (km/L), or liters per 100 kilometers (L/100 km) your driving conditions change, this button to reset the average fuel economy...