You need to pair devices when powering up CK3x00 for the first time. Subsequently, all connections between your phone and CK3x00 are automatically established when both devices are within a few meters range of each other.
Procedure
Main Menu / Connectivity.
Select BLUETOOTH LINK / SETUP / POWER .
Select ON (then the bluetooth is activated).
Then select BACK/AUDIO DEVICES .
Select [LOOK FOR DEVICES] (searching...).
Select "Parrot CK3x00", and yes to accept the bonding.
Enter 1234 as PIN, press OK.
The car kit and the phone are now connected, the synchronisation start automatically.