The lamp is attached to the housing by a millimeter thick plastic tab. When changing the lamp, this flap may break. With me she broke probably through bumpy roads, I often use. If the tab is broken, it has no way to use together with reflector lamp to fix the housing. The manufacturer asked about it was explained that this was an isolated incident. However, it hardly belongs technical expertise to realize that the tab has to break. While the lamp has been fully and efficiently replaced by the manufacturer, the technical construction defect remains. Those who do not apply to the manufacturer, has for some time, probably to replace the problem completely, the lamp. It was the manufacturer recommended here constructively to change anything and use to secure it with a small screw.