Automatic headlight activation ensures optimum vehicle lighting at all times, without the driver having to switch the headlights on or off manually. The system offers the driver a significant gain in terms of convenience and safety. The headlights are automatically switched on by means of a twilight sensor as darkness sets in, or when driving through a tunnel in the daytime. But the headlights are also activated in rain (continuous wipe for more that 5 seconds) or at high speed (at speeds over 140 km/h for longer than 10 seconds). When the speed drops again or the wipers are switched off, the system automatically deactivates the headlights after a short time. In this way your own vehicle is more easily seen by other road users. Your convenience and safety are thus permanently enhanced.