While you wait for answers, we may have found some information which could help you.
Success
Message
DB50QT-E derestrict?
Car Bluetooth selection?
How can I fix this thread problem?
Radio not finding stations?
To stop?
How can I unjam Loppers?
Code?
How to open control pad to replace batteries?
How can i connect to Bluetooth in ford fiesta zetec auto 2012?
Swan neck swivel tap with grub screw?
Bip noise from car speakers?
Blaupunkt car 2003?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix in-car audio.