I've been reading a lot about NAV system hacking lately and I think I know the thread(s) that Jim is referring to:

http://tsx.acurazine.com/forums/show...&page=50&pp=25

http://tl.acurazine.com/forums/showt...5&page=5&pp=25

http://guicide.com/cars/2006civic/nav/hacks/


Also in one of the posts somebody mentions a hardware solution that automatically presses the OK button for you. (Though everything I've read indicates that you still have to wait for the loading screen to finish because critical information is loading in the background during that time.) :

http://www.kptechnologies.com/ (Would most definitely void your Nav/Audio system warranty, if not the whole electrical system)