1. Automatic headlight noun
where, for example, from light entering the tunnel suddenly, automatically adjust the light brightness headlight, lighting the road. Automatic headlights can make a driver when needed to find free headlight switch process, but also to avoid the driver at night or when bad light forgot to turn on the headlights and improve traffic safety.
major role
headlights illuminating the road ahead is the case, there is noted the presence of vehicles or pedestrians, and the position of the own vehicle, it can be in the environment automatic headlights when the light is turned on insufficient to ensure road safety. Automatic headlights only effective when adjusted to the automatic transmission control light (AUTO speed).