Drive system for a pedal-operated vehicle - having a drive motor with which a driving force for the vehicle can be generated, pedals (10, 11) on pedal arms (7, 8), a pedal shaft to which the pedal arms (7, 8) are attached, and a drive mechanism for transmitting drive energy from the pedal shaft to a wheel of the vehicle, - wherein play is present in a transmission path of drive energy between a pedal arm (7, 8) and a drive wheel, rotating with the pedal shaft, of the drive mechanism, - wherein the drive system comprises a resetting device with which the parts comprising the pedal shaft and drive wheel which are subject to play can be placed in a position of rest with respect to one another at or below a resting pedal force within their play, in which position of rest the parts which are subject to play at least approximately assume a predefined relative position with respect to one another, - wherein the parts which are subject to play can be removed from the position of rest within the play by means of pedal force above the resting pedal force counter to the effect of the resetting device, and - wherein information as to whether the parts which are subject to play are in the position of rest can be made available in the form of one or more electrical signals, - wherein the drive motor does not output any drive energy for the vehicle if the parts (12, 13) which are subject to play are in the position of rest, characterized in that - the parts (12, 13) which are subject to play with respect to one another can be placed in a stop position above a stop pedal force with respect to one another, in which stop position the parts (12, 13) which are subject to play are in contact at respective stop regions, - wherein information as to whether the parts (12, 13) which are subject to play are in the stop position can be made available in the form of one or more electrical signals, - wherein the information as to whether the parts (12, 13) which are subject to play are in the stop position is used to cause the drive motor to make drive energy available when the stop position is present. - having a drive motor with which a driving force for the vehicle can be generated, pedals (10, 11) on pedal arms (7, 8), a pedal shaft to which the pedal arms (7, 8) are attached, and a drive mechanism for transmitting drive energy from the pedal shaft to a wheel of the vehicle, - wherein play is present in a transmission path of drive energy between a pedal arm (7, 8) and a drive wheel, rotating with the pedal shaft, of the drive mechanism, - wherein the drive system comprises a resetting device with which the parts comprising the pedal shaft and drive wheel which are subject to play can be placed in a position of rest with respect to one another at or below a resting pedal force within their play, in which position of rest the parts which are subject to play at least approximately assume a predefined relative position with respect to one another, - wherein the parts which are subject to play can be removed from the position of rest within the play by means of pedal force above the resting pedal force counter to the effect of the resetting device, and - wherein information as to whether the parts which are subject to play are in the position of rest can be made available in the form of one or more electrical signals, - wherein the drive motor does not output any drive energy for the vehicle if the parts (12, 13) which are subject to play are in the position of rest, characterized in that - the parts (12, 13) which are subject to play with respect to one another can be placed in a stop position above a stop pedal force with respect to one another, in which stop position the parts (12, 13) which are subject to play are in contact at respective stop regions, - wherein information as to whether the parts (12, 13) which are subject to play are in the stop position can be made available in the form of one or more electrical signals, - wherein the information as to whether the parts (12, 13) which are subject to play are in the stop position is used to cause the drive motor to make drive energy available when the stop position is present.