Owner's Manual
Page 159
... produce different fuel economies. Outside Temperature This display shows the approximate outside temperature. This number is calculated based on the number of mpg recorded since the timer was reset. The display will change if driving conditions change even though the same amount of fuel remaining in...traffic and making frequent stops, this menu item was last reset. Average Fuel Economy This display shows the approximate average miles per gallon (mpg). 3-39 This estimate will show the amount of time that has passed since the last time this display may read one number, ...
... produce different fuel economies. Outside Temperature This display shows the approximate outside temperature. This number is calculated based on the number of mpg recorded since the timer was reset. The display will change if driving conditions change even though the same amount of fuel remaining in...traffic and making frequent stops, this menu item was last reset. Average Fuel Economy This display shows the approximate average miles per gallon (mpg). 3-39 This estimate will show the amount of time that has passed since the last time this display may read one number, ...