Is it Blaupunkts that cause so much bother only?
I've just bought a Peugeot 306, entered the code I thought it was  but now I've 'locked' the radio/cassette [ - - - -]. Any ideas? and is the code right?
Serial is BP2774R2859385
other bit is 7-642-774-392 [Peugeot PF3]
Thanks in advance!