I've been dealing with this issue for a while. The Navigation screen seems to have a redraw problem. Most of the screen content disappears and then shows up again. Unfortunately this happens almost constantly when I drive. Does anyone else have this problem? Here is a video of it.
<a href="http://youtu.be/8oNZkmg_Hvg" target="_blank">
<a href="http://youtu.be/8oNZkmg_Hvg" target="_blank">
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