EVEN IN THE CITY.. ITS PRETTY DANG ANNOYING. I DIDN'T HAVE THIS PROBLEM REALLY WITH MY 2011 GENESIS SEDAN. BUT WITH MY 12 EQUUS, IT WON'T STAY IN HD MODE.. KEEPS GOING BACK AND FORTH.. where is the antenna at? the back window correct? anyone else have this problem and if so, was there a fix? thanks everyone