Originally Posted by darinmg

Keep this in mind....you may have to update your nav with Lexus to get your iVIC to work. I have a 2007 GS430 with the original nav software. The iVIC unit does not work properly in my car. Vais sent two units to try and spent hours on the phone trying to make it work. When they found out my nav software was so old they said my last resort is to update that and see if it works......
I'm waiting until the 2013 maps are released in a week or two before I update and try again.
I was a little disappointed because my plan was to avoid this lexus update cost and replace the functionality with the iVIC. Now I need to pay for both. ~$200 for the map update.