Electronic built-in system

Electronic built-in system for installation in a support structure mounted in a passenger compartment of a vehicle, the system comprising: at least one electronic module (330-350), a housing (100) for receiving said at least one electronic module, the housing (100) being mounted to the support structure of the vehicle comprises a front control panel (110) with operating elements for operating the electronic system, the front control panel (110) facing the passenger compartment, a cooling unit (370) provided in the housing which is guiding cooling air through the housing for cooling said at least one electronic module, at least one first opening (140) provided in a outer wall portion of the housing (100) for supplying cooling air to the housing, at least one second opening (380) provided in an outer wall portion of the housing for removing the cooling air from the housing, wherein said at least first and said at least second openings (140, 380) are arranged at different wall portions of the housing (100), the different wall portions being separated from the passenger compartment by the support structure when the built in system is installed in the support structure.