Kia Optima Hybrid 2020 Owner's Manual page 52

Virtual Engine Sound System
(VESS)
The Virtual Engine Sound System
generates a simulated engine sound
for pedestrians to hear the vehicle
while at low speeds in EV mode.
WARNING
- Interference
with electronic medical
devices
Electromagnetic waves that are
generated from the charger can
impact medical electric devices
such as an implantable cardiac
pacemaker. When using such
medical electric devices, ask
your medical professional and
the device manufacturer
whether charging your electric
vehicle will impact the operation
of the medical electric devices.
High Voltage Battery Air Intake
Hybrid battery air intake
The hybrid battery air intake is locat-
ed at the bottom the rear seats.
The air intake cools down the hybrid
battery.
When the hybrid battery air intake is
blocked, the hybrid battery may over-
heat. Do not obstruct the air intake
with any other objects.
Plug-in Hybrid Vehicle
OJFHQ015005 The high-voltage battery air intake is
located on the left side of the rear
seats. The air intake cools down the
high-voltage battery.
When the high-voltage battery air
intake is blocked, the high-voltage
battery may overheat and the vehicle
performance may become limited
and set a hybrid warning lamp. Do
not obstruct the air intake with any
other objects.
OJFHP036114L
H45