I feel so dumb asking this. How can I tell what version navigation system is installed in my 2007 RX 350. I am sure it has not been updated. The dealer told me in order to get the latest (I think V.9) I would have to purchase 2 disk. That does not sound right. All advise is greatly appreciated.

 

JC
Just go to the dealer. And ask for the update. They will sell you the newest one for your RX. 200 Dollars.

You could play games with Sewell and save a couple of bucks. But I wouldnt.

Here is the listing.

http://www.lexusnavigation.com/what_to_order.php