Further customization is possible with the 3D Picture Balance, which allows users to see the right and left eye images side-by-side to adjust color, contrast and brightness based on the content.
We've gotta say it, the build quality of the Nav is right on par with that of high-end sunglasses, and the earcups adjust into position along the headrails with secure and satisfying clicks.
Driving position and visibility are good, although once everything was tweaked to our liking we found that the steering wheel was interfering with our ingress and egress a little -- then again, there wasn't much time to adjust everything just right.