2012 Toyota Prius Owners Manual - Page 597

2-4. Using other driving systems NOTICE ● When driving in a location where the light level changes rapidly, such as the entrance to or exit from a tunnel. ● When sunlight or the headlights of oncoming vehicles are shining directly into the camera lens. ● When driving on roads that are branching or merging. ● When pavement lane markers are difficult to see due to rain, snow, fog, etc. ● When driving on a road surface that is wet due to rain, previous rainfall, standing water, etc. ● When the vehicle experiences strong up-and-down motion such as when driving on an extremely rough road or on a seam in the pavement. ● When headlight brightness is reduced due to dirt on the lenses, or when the headlights are misaligned. ● When driving with a strong crosswind. 294