Abstract: A fixing device (200) for fixing in an opening in a wall of a vehicle includes a support element (210) with at least one support lug (220). The fixing device (200) also includes a retaining element (230) with at least one retaining arm (240) for fixing the fixing device (200) to the wall. To fix the fixing device (200) in relation to the support element (210), the retaining element (230) runs through the support element (210) and can rotate, the support lug (220) being designed to block the rotation of the support element (210).

Abstract: The invention relates to a metal housing 1, especially for an airbag control device, comprising a bottom plate and a cover plate, a rear wall and two side walls 5, 6, having mounting elements in the interior of the housing for at least one printed circuit board, and with a terminal element arranged at the front side of the housing for at least one connection element. According to the invention, the bottom—and/or the cover plate is/are connected with an installation plate 22, 23 which is attachable to a support. In this arrangement, projections are being utilized which are embeddable in and can be pressed into recesses of the installation plate.