Hyundai Ioniq 5
Also called Hi5.
Engineering Mode
Go into Settings → General → Version Info Screen
Volume changes and tune rocker press in (not down! press on it in the middle):
Volume 0
Volume 7, button
3, button
1, button
Code: 1950 0624, 500 625, 0652, 0428
Alternative:
FM Radio
Vol. 2
Home → Setup → General
Tap 6 times on the left side of the update button, right side once
password 26031236