Kia Optima Hybrid 2020 Owner's Manual page 218

Features of your vehicle
Park with engine on to charge
battery
This warning message illuminates
when the hybrid battery power
(SOC) level is low.
In this case, park the vehicle in a
safe location and wait until the hybrid
battery is charged.
Refuel to prevent Hybrid battery
damage
This warning message illuminates
when the fuel tank is nearly empty.
You should refill the fuel tank to pre-
vent hybrid battery damage.
4 80
Refill inverter coolant
This warning message illuminates
when the inverter coolant is nearly
empty.
You should refill the inverter coolant.
Stop vehicle and check regen.
brakes
This warning message is displayed
when a failure occurs in the brake
system.
In this case, park the vehicle in a
safe location and tow your vehicle to
the nearest authorized Kia dealer
and have the vehicle inspected.
Coasting guide (if equipped)
A chime will sound and the coasting
guide indicator will blink four times to
inform the driver when to take the
foot off the accelerator by anticipat-
ing a decelerating event* based on
an analysis of driving routes and
road conditions based on the naviga-
tion. It encourages the driver to
remove foot from the pedal and allow
coasting down the road with EV
motor only. This helps prevent
unnecessary fuel consumption and
may increases fuel efficiency.
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