As much as I'm a fan of keeping extra buttons on my dash to a minimum I think that having the extra buttons dedicated to the phone is worth it.

The commands to use it on a non-navi display look fairly obtuse, too, and will probably just piss off The Wife. How do you find it?

http://support.dension.com/downloads..._User_v201.pdf
http://support.dension.com/downloads...user_guide.pdf

Thanks for the sugestion though!