Vehicles in addition to lighting the pilot light to provide a clear view outside, but also in the dark for us to judge to provide some way for the road conditions. Experienced driver through the light changes can predict changes in the road ahead to improve traffic safety. So how to understand light light to pass to us information?

If your lamp shape change occurs when the light may have the following situations:

Narrow light beam may pass, light beam may be shorter or curved uphill, longer light beam may be corners or downhill, a gap in the lower edge of light beam may be rough or potholes. We also can remote car lights and traffic light in front of judge, in good weather conditions, such as the other is the direct beam of light, and the distance and clear, smooth the road ahead can be judged; such as high beam of light suddenly disappeared does not occur, can be judged in front of a junction or bend; such as high beam of light to swing around, can be judged in front of a curved road; such as plus or minus the light beam can be judged in front of a hill.

Also when exposed to light under the surface brightness changes also need to pay attention, "do not go away Gray white, black to stop the event" is a catchy way to judge. Light in the vehicle, the road generally shows a flat gray, where water will show bright white, while the potholes or mud will be presented at the deeper black.

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