Device activated by rainfall Rain Sensors usually located at the top of the windshield usually to the side or under the rearview mirror. Normally covered and hard to view from the inside, you can typically see the rain sensor while viewing from the outside of the car.
Lane Departure Warning System (LDWS)
The lane departure warning system is a mechanism designed to warn the driver when the vehicle begins to move out of its lane (unless a turn signal is on in that direction.
Forward Collision Warning System
Forward Collision Warning System or collision mitigation system uses radar (all-weather) and sometimes laser (LIDAR) and camera (employing image recognition) to detect an imminent crash.