I have a '04 GX 470 and am looking to purchase a DVD on e-Bay to upgrade the current navigation system (ver 03.1). Before I do, I wanted to look into how to install the upgrade to my system but am having difficulty locating the information. Can someone please help me out ? Thanks.

Im looking for some Nav System Reviews and Opinions. Ive been looking at a Kenwood system.

If you have a Nav system can you provide your personal pros and cons.

sweet I was playing with Christines the guardian DVD/Nav system at the bmc open house and I love it once i get some other body stuff done to my car i might get one Where did you buy it from?