Originally Posted by RxInAtl

It looks like you don't understand how this works.

Denso buys their map data from Navteq, Tele Atlas and InfoUSA. These 3 rent satellite time to do the actual mapping. Lexus contracts with Denso to create their nav units. Denso programmers then create a nav interface for their customers - Lexus nav being one - and use the map data that they bought. Lexus then decides, each year, what they want to buy for their next upgrade - more poi's, more roads, more icons, etc. Everything has a cost and they can get more or less.

So, letting Navteq know what's missing there's a better opportunity of having it added in the next update.