Modern luxury vehicles are available with a wide range of driver assistance technology and use a variety of sensors to power that tech. Lane departure warning systems use front-facing cameras to watch the lines painted on the road. Blind-spot monitoring uses sonar arrays to check the area around the vehicle for obstructions. Rear proximity detection also uses sonar arrays to detect objects behind a reversing vehicle. The 2013 Nissan Altima will be able handle all three of these functions with only one rear-facing camera.
Nissan's system uses a rear-facing camera that constantly watches the area behind and to the … Read more