According to the Haynes Manual it is fuse F11 inside the glove box. If you have replaced the radio/cd player it will have to be initiated by the Peugeot main dealer.
Reg
March 2009
in glove box remove trim in left side of glove box fuses in there
pmt
February 2009
I can answer this question...
need to know where fuse box is in a peugeot 307 its for the cd player?