KIA Optima Hybrid 2013 - Manual (Page 374)

H3
Total ECO Score display
If your ECO Level reaches its maximum,
your Total ECO Score automatically rises
by 1 point. Total ECO Score points are
saved and accumulate over time.
The image displayed on Total ECO Score
will change continuously, adding leaves
and flowers to a branch.
State of charge
The state of charge (SOC) gauge indi-
cates the hybrid battery's charge level. If
the SOC is near Low (L) level, the vehicle
automatically operates the engine to
charge the battery. However, if the serv-
ice indicator and MIL(Malfunction indica-
tor lamp) turn on when the State of
Charge(SOC) is near L, the vehicle
should be towed. Refer to the chapter 6.
OTFH042301C
OTFH040225N
WARNING
Never crank the engine for a pro-
longed time without the engine
starting. This could result in the
HEV battery becoming totally dis-
charged and is likely to be dam-
aged.