Traffic management experts advise, outline marker car led lamps, low beam lights and high beam is the vehicle most frequently used car led lights, they are directly related to the evening and inclement weather driving safety. Under normal circumstances, outline marker lamps, car led lights and high beam are in the car steering wheel below with a bar, the rotation or toggle bar can open, close outline marker lamps, beam lights, high beam, or in the near lights and high beam switch between. At night or adverse weather conditions, must open the outline marker lamps, to facilitate other drivers were observed.

Use the high beam to be special attention are: fog, rain and other inclement weather situations must not make high beam, because that high beam of light in the fog, rain produce diffuse reflection, not only will affect their sight, also cause other traffic participants to generate eye-opening, can easily lead to accidents; in the case opposite to the drive, in advance of 160 meters above the high beam switch to low beam headlights; if the opposite to car use high beam, should stop immediately, and so will the truck to pass; the steering should be ahead of the high beam switch to near light.

With the Fog Weather , due to reduced visibility, narrow vision, blurred vision, moving the driver of a vehicle takes a long time to see the front of the obstacles (pedestrians, slow traffic, accidents, cars and pits, etc.). In order to improve sight distance, suggesting that other traffic participants noted that their cars are driving, you must use car light ,car led bulb  is divided into front fog lamps and car led lights, general and outline marker lamps, light beam used in conjunction. Front fog usually bright white, was red rear car led lamps.