Dodge 2012 Challenger Owner's Manual page 194

192 UNDERSTANDING YOUR INSTRUMENT PANEL
will appear whenever the Multi-Displacement System
(MDS) (if equipped) allows the engine to operate on four
cylinders, or if you are driving in a fuel efficient manner.
Fuel Saver Mode — On
This feature allows you to monitor when you are driving
in a fuel efficient manner, and it can be used to modify
driving habits in order to increase fuel economy.
Fuel Saver Mode — Off
• Distance To Empty (DTE)
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. DTE cannot be reset through the SELECT
button.