Random question...has anyone else who owns a Terramar noticed that they need to adjust the rear view mirror every 24 hours or so? I'm finding that it moves (pointing down slightly) gradually, which can even be when the car is left parked overnight or longer, so it's not as though the bumps/vibrations whilst driving are causing it to move. It's almost as though there isn't enough tension in the ball joint (I assume that's what it has) that the rear view mirror sits on.