b activates comm panel then type CISCO SEZ then hit [enter].
After that you can put in these codes after you press B:

1.BE MY BUDDY/makes targeted sub or ship be an ally.
2.FLIP HER/turns your sub around.
3.ZEPPLIN/your sub flys like a blimp.
4.DROP ANCHOR/makes sub stop.
5.HEAL ME/fixes your sub.