Kia Optima Hybrid 2020 Owner's Manual page 36

Charger Error! (Plug-in hybrid)
This message is displayed when the
charging failed due to an external
charger error.
The purpose of this message is to let
you know the error has occurred in
the charger itself, not in the vehicle.
Low/High System temperature
Maintaining Hybrid mode
(Plug-in hybrid)
This message is displayed when the
vehicle is unable to convert to EV
mode even when pressing the HEV
button during HEV mode driving due
to low/high system temperature.
Switching to Hybrid mode to
allow heating or air conditioning
(Plug-in hybrid)
• When the coolant temperature is
lower than 57 °F (-14 °C), and you
turn the climate control On for
heating, this message will be dis-
played in the cluster. Then, the
vehicle will automatically switch to
HEV mode.
• When the coolant temperature is
higher than 57 °F (-14 °C), or you
turn the climate control Off, the
vehicle will automatically return to
EV mode.
Wait until fuel door opens
(Plug-in hybrid)
This message is displayed when you
attempt to open the fuel filler lid with
the fuel tank pressurized. Wait until
the fuel tank is depressurized.
✽ ✽ NOTICE
• It may take up to 20 seconds to
open fuel filler lid.
• When the fuel filler lid is frozen
and does not open after 20 seconds
at freezing temperature, slightly
tap the fuel filler lid and then
attempt to open it.
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