How do you enter the radio code on a citreon saxo?

To enter the radio code on a Citroën Saxo, first ensure the radio is turned on and displays the "CODE" or "SAFE" message. Use the preset buttons on the radio to input the code: press the corresponding button for each digit of the code. After entering all digits, press the "OK" or "ENTER" button (if available) to confirm. The radio should then unlock and resume normal operation.