Never had DOT say squat about my GPS mounting location

Exactly right.

Size matters too. Here’s a list of states and their requirements.

Windshield Mounting Laws for All 50 States in the US | iMagnet Mount Blog

 

Thanks for the link. I knew I had read that somewhere. But couldn’t provide a link :/

I’ve never had an issue in any state. But I’ve always kept mine very low on the glass. Using the dash as extra support.