You need to pair devices when powering up 3200LS for the first time. Subsequently, all connections between your phone and 3200LS are automatically established when both devices are within a few meters range of each other.
Procedure
From your phone, display the main menu, select the TOOLS icon.
Select BLUETOOTH, and turn it ON.
Then go to the right tab and press OPTIONS.
Select NEW PAIRED DEVICE (searching...).
Select "Parrot 3200LS" (waiting).
Enter the code displayed on the 3200LS as PASSCODE, press OK.
After the 'beep', accept connection request by pressing YES.
Automatic connection after pairing
From the PAIRED DEVICES menu (in the BLUETOOTH menu), select "Parrot CKx00" and press OPTIONS.
Select SET AS AUTHORISED.
All the connections are now automatically done each time you turn on your ignition.