Re-registerig my car (Lyon)

I'm sure if I bothered to search this is a thread well aired but i thought I would take the opportunity to say hello as well as gleen some rather essential information. I moved to France at the end of September bringing my car with me. Can some-one give me an absolute idiots guide to getting her Carte Grises .. what documents I need to produces ect etc .. thank you thank you thank you, mwah, mwah mwah and hello