radio stuck, code?

[nissansrdub]

so i ended up getting a stock radio w/cassette player for my 1992 s13. it is stuck on 530am. nothing works but the volume. is there a radio code? i know on hondas your supposed to press 2 buttons then your given a serial number. is there something like this for the 240sx? thanksjoe

[nissansrdub]

so i called nissan and they said no radio codes were used. so i ended up taking the face of the radio off and noticed there was a blue plastic piece that had come out of its slot. i dont know what it was called but it was something like on the back of a gauge cluster that plastic computer mother board tape. lol

so yea problem solved everything works. later