how do i work the 6006 eon 6 disk cd player?

ive just brought a ford focus and it has a 6006eon 6 disk cd player in it, the radio works fine but i cant get a cd in it it just wont go in the slot, i have no mannals or any thing can any one tell me is it just bust or am i just not doing it properly, id have thought u just pushed a cd in and off you go but it seems like its sealed or sumin