Difficulty: Moderately Challenging
Step1
Do your homework, do your research. Are you financing, paying cash, leasing etc. Have an idea or know what you want before you walk in and remember that you can leave at any time and once you walk out, they have to start all over again with someone else. Beware of the payments, be willing to walk away and say no. Remember that negogiating is the salesman's job, they do it everyday and they study how to do it as well. In order to be the best...
Step2
Read this article, http://www.edmunds.com/advice/buying/articles/42962/article.html
it may shine some light on the subject.
Step3
Always remember that this is the salesman's job. Car salesman do this job day in and day out and practice does make perfect.
Enthusiast 
