Prior to any operation :
- Your display should be lit up (Ignition key in the position 'M')
- Your telephones' Bluetooth system must be activated!
- Paring can only be achieved with the ignition on, but the engine not running.
Press MENU on the radio,
In the menu, select:
- Bluetooth telephone function - Audio
- Bluetooth configuration
- Perform a Bluetooth search
Enter a 4 digit code on the radio, then enter the same code into the phone when prompted
Your Phone should now be Paired with your C3.

If that failed, try this: (earlier models)
With your phone, search for a new Bluetooth pairing,
Select 'CITROEN' on your phones display.
On the Radio, use the UP/DOWN navi-circle to find a free memory (1 of the 4)
Press OK on the navi-circle to save the pair
Enter the code 1234 into the Phone when prompted
Your Phone and C3 should now be Bluetooth Paired.

Use OK on the navi-circle to answer an incoming call when paired.