Does nav over-ride work on the 2003 LS? I couldn't get it to work.

 

me too everytime i tries it my screen freeze up

 

Is this the method you used?
https://www.clublexus.com/forums/3036667-post6.html

I have a 2005 which has a different method and I use it regularly and haven't had a problem. My nav is the original and has not been updated. As I understand it, updates kill it.