Tire Gel for your interior.
This works like a charm.
buy some of this tire gel
http://www.autozone.com/autozone/acc...ier=90118_0_0_
wipe down your dash board with a dry towel, then wipe it again with a damp towel then dry it, poor about the size of a 50 cent coin rub it into the towel. wipe the dash board and if you do the door pannels do the same process.
It will leave the dash and the door pannels really nice and shiny.
source:
my boyfriend detailed my car and he used that to clean the dash and doorpannels