To activate the RDS on your i20 radio

i. Press and hold 1FF and then immediately press 4, release both the
fingers ,then press 1FF Four times as fast as you can.

ii. Now you can see the display in MID as VER M58 S71 D29 (or higher),
immediately press button 6 so you can see your present region as
General in MID.

iii. Rotate the File/Enter/Tune knobe to change the region to Europe
and Press/Push the ****, now you can see the display as area changed.

iv. Switch ON the HU by Press/push the Power Button and press the
SETUP button, Rotate the File/Enter/Tune knobe and enable the features
you want and press/push the **** to store the settings.

it works because i just did it now.