Hyundai IONIQ 5 Owner's Manual page 544

Driver assistance system
Warning Timing
With the vehicle on, select 'Driver
Assistance → Warning Timing' from the
Settings menu to change the initial
warning activation time for Reverse
Parking Collision-Avoidance Assist.
If you change the Warning Timing, the
warning time of other Driver Assistance
systems may change.
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Warning Volume
With the vehicle on, select 'Driver
Assistance → Warning Volume' from the
Settings menu to change the Warning
Volume to 'High', 'Medium', 'Low' or 'Off'
for Reverse Parking Collision-Avoidance
Assist.
However, even if 'Off' is selected, the
volume will not turn off but the volume
will sound as 'Low'.
If you change the Warning Volume,
the warning volume of other Driver
Assistance systems may change.
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