Method of establishing a wireless connection between two household appliances (1, 11), having the following method steps: - by means of a mobile terminal, receiving or identifying a first image of a first optical code which is assigned to a first household appliance, and a first unique identifier assigned to the first household appliance and an internet address, World Wide Web address and/or data record identifier assigned to the first household appliance, - by means of the mobile terminal, reading out the first unique identifier and reading out the internet address, World Wide Web address or data record identifier from an image data record assigned to the image, - automatic or menu-controlled contacting of the internet address by means of the mobile terminal in order to automatically load a computer program intended to control at least the first household appliance onto the mobile terminal, or automatic or menu-controlled contacting of the World Wide Web address in order to represent a user interface on a display device of the mobile terminal, by means of which the computer program can be downloaded onto the mobile terminal or automatic or menu-controlled contacting of a database assigned to the data record identifier by means of the mobile terminal, in order to load the computer program onto the mobile terminal, - starting or installing the computer program on the mobile terminal or by means of the mobile terminal and establishing a wireless connection between the mobile terminal and the first household appliance on the basis of the first identifier, and - by means of the mobile terminal, initiating an establishment of a wireless connection between the first household appliance and a second household appliance, so that the two household appliances (1, 11) are able to communicate wirelessly directly with one another, - wherein the first household appliance is embodied as an extractor hood and the second household appliance is embodied as a household cooking appliance, so that the household cooking appliance can switch a ventilator and/or a lighting system of the extractor hood on and off. - by means of a mobile terminal, receiving or identifying a first image of a first optical code which is assigned to a first household appliance, and a first unique identifier assigned to the first household appliance and an internet address, World Wide Web address and/or data record identifier assigned to the first household appliance, - by means of the mobile terminal, reading out the first unique identifier and reading out the internet address, World Wide Web address or data record identifier from an image data record assigned to the image, - automatic or menu-controlled contacting of the internet address by means of the mobile terminal in order to automatically load a computer program intended to control at least the first household appliance onto the mobile terminal, or automatic or menu-controlled contacting of the World Wide Web address in order to represent a user interface on a display device of the mobile terminal, by means of which the computer program can be downloaded onto the mobile terminal or automatic or menu-controlled contacting of a database assigned to the data record identifier by means of the mobile terminal, in order to load the computer program onto the mobile terminal, - starting or installing the computer program on the mobile terminal or by means of the mobile terminal and establishing a wireless connection between the mobile terminal and the first household appliance on the basis of the first identifier, and - by means of the mobile terminal, initiating an establishment of a wireless connection between the first household appliance and a second household appliance, so that the two household appliances (1, 11) are able to communicate wirelessly directly with one another, - wherein the first household appliance is embodied as an extractor hood and the second household appliance is embodied as a household cooking appliance, so that the household cooking appliance can switch a ventilator and/or a lighting system of the extractor hood on and off.