rubber hose back cover position . Becasue of this ventilation rubber hose, the moisture in the air will through it into the headlight and attached the chimney, with water vapor gathering, drip down by the chimney, Mostly ,caused by the large differences temperature, winter and the rain season are most likely to appear this kind of phenomenon.

 

Encounter this situation, the driver don't worry too much, after period of time when lamp on, the fog with the heat through the vent rubber hose discharge lamp outside,will not damage HID headlights and electric circuit.

 

Generally speaking, the HID headlights will not be influenced, but if the headlight internal water in severe cases, it is possible to damage circuit system. So you should open the lamp shade, air-dried, check the HID headlights surface whether there is any break or places possible leakage, If nothing, suggested that the owner change headlight rear cover sealing strip and vent rubber hose.