CITROEN C4 Aircross 2013 Owner's Handbook Manual page 308

04 RADIO
RDS settings: AF, Reg, TP, PTY
306
Press the MENU button then select the
radio source (FM / MW / LW).
Select the arrow .
or
then
Activate or not the settings.
Press the MENU button, then" Next ".
Select " Setting " then " RDS Setting ".