The kitchen box is extendable over the rear of the vehicle. This allows convenient cooking outside the vehicle. The kitchen box is equipped with two 10-liter canisters, a gas cartridge stove and a folding sink. A cool box can be optionally accommodated in the front, fixed area of the kitchen box. The kitchen box extends the sleeping width of the bed to the entire interior width (195x116 cm). Includes another upholstered part to increase the sleeping surface.