Dodge 2013 Dart Owner's Manual page 326

324 UNDERSTANDING YOUR INSTRUMENT PANEL
Fuel Economy Digital Display Fuel Economy MPG Flower Analog Display
The EVIC has the capability of displaying an interactive
flower through the Fuel Economy sub-menu which will
add one flower pedal for every 2.5 Miles Per Gallon
(MPG) increment. Once the vehicle reached 30 MPG the
EVIC will display a full flower.