Hyundai Ioniq Hybrid 2017 Owner's Manual page 172

Convenient features of your vehicle
Stop vehicle and check brakes
OLFH044234L
This warning message is displayed
when a failure occurs in the brake
system.
In this case, park the vehicle in a
safe location and recommend that
you tow your vehicle to the nearest
authorized HYUNDAI dealer and
have the vehicle inspected.
3-70
Check brakes
OLFH044250L
This warning message is displayed
when the brake performance is low
or the regenerative brake does not
work properly due to a failure in the
brake system.
In this case, it may take longer for the
brake pedal to operate and the brak-
ing distance may become longer.
Check Virtual Engine Sound
System
OLFH044543L
This message is displayed when
there is a problem with the Virtual
Engine Sound System (VESS).
In this case, we recommend that you
have your vehicle inspected by an
authorized HYUNDAI dealer.