Sorry that my posting is really not related to how to install the new CD, but...
When my husband first mentioned that he thought we should get the navigation system in our car, I kind of poo poo'ed it saying, "it's a lot of money. We really don't need it..." Well, he convinced me otherwise and we ended up getting the naviation system. OMG... I was SOOO wrong. I LOVE having it now. Get it if you can. It definitely, in my opinion, is worth the money. Even if your particular location is not on the map, we've had great success coming within 100 yards of where we wanted to go.
The only thing we don't like about the navigation system is the fact that it won't let you plug in information if you are moving... understandable since Lexus does not want to be liable for accidents, etc... but it really is inconvenient when you have a passenger who can plug in info, etc. Other than that, I absolutely LOVE my navigation system. :D