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A method for controlling a light emission of at least one headlight of a vehicle. The method includes receiving a change enabling signal for performing a change of the light emission of the at least one headlight from an input emission characteristic to an output emission characteristic during a debouncing period and / or debouncing distance which begin(s) in response to the change enabling signal. The method also includes changing the light emission of the at least one headlight from the input emission characteristic to an intermediate emission characteristic in response to the change enabling signal. The method also includes changing the light emission of the at least one headlight from the intermediate emission characteristic to the output emission characteristic after the debouncing period and / or the debouncing distance has / have elapsed.

A method for determining a recognition threshold for recognizing the presence of a tooth or a tooth gap of a position sensor in front of a sensor is presented. The method includes a step of reading in a sensor signal which represents a variation over time of a measured magnetic field when the teeth and the tooth gaps of the position sensor are passed by the sensor. In addition, the method includes a step of ascertaining from the sensor signal a first value based on a minimum value of the sensor signal and a first value based on a maximum value of the sensor signal within a predefined time interval. The method also includes a step of computing a differential absolute value which represents a predetermined percentage of a difference between the value based on the at least one maximum value and a value based on the at least one minimum value of the sensor signal. Lastly, the method includes a step of determining the recognition threshold, so that the recognition threshold represents a value that corresponds to a result of adding the differential absolute value to the first value based on the minimum value of the sensor signal.

A method for switching on a high-beam headlight of a vehicle includes: a step of receiving high-beam information by way of an interface, the high-beam information indicating a possibility of a glare-free operation of the high-beam headlight; a step of determining a traveled distance of the vehicle in response to receiving the high-beam information, and a step of supplying switch-on information for activating the high-beam headlight if the traveled distance after receiving the high-beam information is greater than a predefined minimum distance.

A door structure, said structure for use particularly, although not necessarily exclusively, to selectively close an opening between a first environment which is at a temperature which is lower than the temperature of the environment on the opposing side of the opening. The door is provided with a structure so as to define a cavity therein into which air is caused to flow. The door has formations and a structure so as to encourage uniform air flow through the cavity and hence prevent or minimise the creation of condensation and / or frost on the door structure.