Dodge 2015 Dart - Owner Manual - Manual (Page 351)

The DID has the capability of displaying an interactive
flower through the Fuel Economy sub-menu which will
add one flower petal for every 2.5 Miles Per Gallon
(MPG) (1.06 km per liter (km/l) increment. Once the
vehicle reached 30 MPG the DID will display a full
flower.
Fuel Economy Digital Display Fuel Economy MPG Flower Analog Display
4
UNDERSTANDING YOUR INSTRUMENT PANEL 349