Complex sentence: Also known as precrash system, forward collision warning system or collision mitigating system, it uses radar (all-weather) and sometimes laser and camera (both sensor types are ineffective during bad weather) to detect an imminent crash.
Split into simpler sentences: Also known as precrash system, forward collision warning system, or collision mitigating system. It uses radar (all-weather) and sometimes laser and camera (both sensor types are ineffective during bad weather) to detect an imminent crash.