Simon Says (2006)
The teens expressly reference the Chainsaw Massacre movie when considering picking up a hitchhiker about 19 minutes into the movie.
Stanley balls his hand into a fist in exactly the same way as George McFly does at the end of 'Back To The Future'
on cover of Fangoria magazine
a hitchhiker wears a shirt that says "If you tap it, they will come"
It's a making of documentary about the film, included on the film's DVD release.