u201c hybrid electric motor vehicle u201d is to be understood below as referring to a hybrid electric motor vehicle or an electric vehicle which is driven by at least one electric motor and a further energy converter and draws the energy from an operating fuel tank and a storage device for electrical energy this may comprise for example a full hybrid vehicle a plug in hybrid vehicle or some other vehicle with hybrid drive the term u201c electric drive u201d below refers to an electric drive assistance means such as for example an additional electric drive with one or more electric motors for assisting the drive torque of an internal combustion engine fig1 shows an illustration of a flow chart of a method for regulating a hybrid drive of a hybrid electric motor vehicle according to a first embodiment of the present invention in a first step of the method criteria for the actuation of an electric drive em 1 and or of the internal combustion engine vm are defined si on the basis of an adjustable driving mode wherein a portion of a battery capacity of an electric energy store hv for the electric drive is reserved by means of a variable setting in a second step of the method the actuation of the electric drive em 1 and or of the internal combustion engine vm of the hybrid electric motor vehicle is regulated s 2 by means of the defined criteria and by means of the variable setting for example an increased demand for traction for the hybrid electric motor vehicle is used as one of the criteria for the actuation of the electric drive em 1 and or of the internal combustion engine vm wherein the internal combustion engine vm and.