internally

Hey folks, Heard it's a good idea to take off the inlet manfold clean it inside, any recommended products for the cleaning part? I remember I did a similar thing on a Fiat with carb cleaner ( I think it was called power spray or something... It didnt seem to do much other than cause a...

I cant for some reason open the passenger door using the internal handle. I just had my windows tinted so maybe the cables came undone? Anybody have any pictures etc or a guide even? on how to remove the door cards etc. I can pull handle and hear a small click near the latch but it doesnt...