Hyundai Ioniq Hybrid 2020 Owner's Manual page 232

Refill inverter coolant
OAEPHQ049825L
This message is displayed when the
inverter coolant is nearly empty.
You should refill the inverter coolant.
Check regenerative brakes/
Stop vehicle and check regener-
ative brakes
OOSEV048118L/OOSEV048117N
This warning message is displayed
when the regenerative brake system
does not work properly.
If this warning message is displayed,
have the vehicle inspected by an
authorized HYUNDAI dealer.
Check Virtual Engine Sound
System
OAEPHQ049828L
This message is displayed when
there is a problem with the Virtual
Engine Sound System (VESS).
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer.
3
3-85