Dodge 2014 Dart Owner's Manual page 347

Fuel Economy MPG Flower Digital Display
Average Fuel Economy
This feature shows the average fuel economy since the
last reset. When Average Fuel Economy is selected, The
word "RESET>" (with right arrow) appears next to it.
UNDERSTANDING YOUR INSTRUMENT PANEL 345
Pressing the RIGHT arrow button will reset Average Fuel
Economy which displays "0" immediately after reset.
Then, the history information will be erased, and the
averaging will continue from the last fuel average read-
ing before the reset.
Range To Empty (RTE)
Shows the estimated distance that can be traveled with
the fuel remaining in the tank. This estimated distance is
determined by a weighted average of the instantaneous
and average fuel economy, according to the current fuel
tank level. RTE cannot be reset through the RIGHT arrow
button.
NOTE: Significant changes in driving style or vehicle
loading will greatly affect the actual drivable distance of
the vehicle, regardless of the RTE displayed value.
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