Ratatouille Q&A

I'm trying to add in codes for game ratatouille episode 4 ,but it says to add in codes from main menu ,go to shop, then to extras and enter,but there is no extra,only a place to add cheats! What do i do?

I'm in the city of lights, and in a challenge I have to turned the water handled (I did) give the handle to a music box ( I did) use a chilli pepper to clear the sewer ( I did) I found the last coin in the drain, but I don't know what to do now I tried everyth...

How do I get to the Alarm

can someone tell me were to find the second key in the rats in the attic level I found 1 of them (not that I remember where I found it.) so please just tell me wher both are.