Well I took out my new LR for some test runs with a V1 Gen 2 to compare how it performed. I went to a school with a constant K band radar. I tested it in the top of the windshield just to the left of the mirror and then I tested it on the bottom right corner where the manual says you should put the toll tag. I did 2 runs with each spot and found no difference in range. Not very scientific but based on what I saw the location on the windshield does not seem to impact radar detector range.