The fire truck roller shutters can be closed manually using the double handle or barlock. The shutter handles are designed to be compact and thereby reduce the overall body width.

The electrical operation of large compartment shutters enables rapid simultaneous opening of all compartments at the push of a button. Either from outside or centrally from the driver's cab. The shutters can be opened that quickly. If the vehicle is parked and off-duty, the entire body closes automatically and the equipment is safe from theft.