Car lights division of the two lights system of four lights how to point, there are cars of the lights.
Take the headlamps, the two lights is like Jetta, the side of the headlights only a lamp bowl, a light bowl is only a headlamp bulb, the headlamps have two filaments, one is the low beam , One is the high beam, this light to open the light when the electrical system will automatically close the light to close, so far and near light can not open at the same time.
Four lights: a pair of headlights produce high beam and near light or only produce near light, while the other pair of headlights only provide high light illumination. Far and near light can be used at the same time. Commonly used in heavy trucks and large passenger cars. As well as in the high-end cars. Part of the turn over the lights, four lights can open high beam.
Two lights: This structure uses a light bulb containing two separate light sources, through a mirror projection of low beam and high beam. Each headlamp can be issued near the light and high beam, usually used in the middle and low cars. Far and near light can not be bright at the same time. Or only when using the light horn, the distance light can be bright at the same time
