Chrysler 2009 Aspen Hybrid - Manual (Page 42)

This display appears when the high voltage battery is
being charged during braking or coasting down and the
engine is not running. The engine will not be illuminated
on the radio screen. This display appears when the high voltage battery is
being charged during braking or coasting down and the
engine is running. The engine will be illuminated on the
radio screen.
Charging Battery — Engine On Charging — Engine Idling
40 UNDERSTANDING YOUR INSTRUMENT PANEL