The code should be 5865
Blaupunkt entry instructions here
http://www.davidsonelectronics.co.uk/code_entry.htm
If showing SAFE then you have entered too many wrong codes so following previous answer (leave radio ON UNDISTURBED etc)
However , I might have a quicker cure
Contact via email on
www.tinyurl.com/4ydhop
RegWorts, July 2008