<strong>Yahoo Message Number: 19612</strong>I have the new K-5 flat In Motion. It was necessary to go to the flat one because I have a low garage door and couldn't get in with the larger domes. <br/>The manufacturer recommends coating the surface with <strong><em>dishwashing soap</em></strong> to prevent loss of signal. They specifically said not to use Rainex or any chemicals on it. <br/>I live in the West and travel in...