Pairing Nuvi 360 with Ford Audio

I have a UK 2006 model Focus with a cd6000 audio unit with the 'advanced voice/bluetooth' facility.
I have no problem pairing (bonding in Ford talk) my Nokia phone to it. My
Nuvi 360 finds 'Ford Audio' but it then wants the password 1234 when the Ford Audio is wanting 0000 ... and I can't get to a screen on the Nuvi that will let me enter 0000. When pairing my phone I use the keypad to put in 1234 and all is fine.
I know I can only have one 'active' bluetooth device which is fine .... the station presets 1-6 become paired devices when you press the 'phone' button and you choose which one you want to pair with. So, I have my Nokia on 1 and trying to get the Nuvi on 2 when the problem with the password gets the better of me.
Anybody any ideas on how to overcome this??
Over to you guys.
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