The sense gets dirty. Wipe it with a wet finger or cloth and it will be fine. It os especially a problem in winter on snowy roads.
2017 Premium, Silver, Black Leather, NAV, Bose, Adaptive Cruise Control, Driver Confidence I and II
2016 Premium, Summit White, Brandy/Black leather, NAV, Bose, Driver Confidence I and II
Used to own 2015 Silver, black leather, Bose, Navigation, Safety 1 and 2; 2014 Summit White, pebble leather, Bose, Navigation, Safety One; 2012 White Diamond Tri-coat, tan leather, navigation, Bose, HD, rear camera, front and rear sensors.