Chrysler 2014 300 - Owner Manual - Manual (Page 325)

When the shift down indicator (-) is shown on the
display, the GSI is advising the driver to engage a lower
gear. The GSI indicator in the EVIC remains illuminated until
the driver changes gear, or the driving conditions return
to a situation where changing gear is not required to
improve fuel consumption.
GSI Shift Up (+) Indicator GSI Shift Down (-) Indicator
4
UNDERSTANDING YOUR INSTRUMENT PANEL 323