An adjusting system for a lighting apparatus for vehicles, said lighting apparatus being configured to emit light for forming at least one light distribution described by a set of parameters in a region in front of the lighting apparatus, wherein the adjusting system is configured to modify the at least one light distribution described by a set of parameters and wherein the adjusting system comprises: a light control device, - said light control device storing the set of parameters describing the light distribution, and - said light control device being allocated to the lighting apparatus and being configured to control the lighting apparatus in such a manner that the lighting apparatus emits light for forming the at least one light distribution described by the set of parameters in a region in front of the lighting apparatus, wherein a control unit which is designed separately from the lighting apparatus and the light control device is allocated to the light control device, said control unit being configured - to receive user inputs and - to transmit the user inputs to the light control device, wherein the light control device is configured - to modify the set of parameters to arrive at another set of parameters describing at least one other user-defined light distribution according to the user inputs, and - to adjust the lighting apparatus in such a manner that the lighting apparatus emits light for forming the at least one other light distribution according to the other set of parameters in a region in front of the lighting apparatus, characterized in that the control unit additionally is configured - to recall the set of parameters from the light control device, - to modify the set of parameters to arrive at the other set of parameters according to the user inputs, and - to transmit the modified set of parameters to the light control device, wherein - the control unit includes a first portion and a second portion, wherein the first portion is designed as a portable terminal and the second portion is designed as a vehicle board computer. - said light control device storing the set of parameters describing the light distribution, and - said light control device being allocated to the lighting apparatus and being configured to control the lighting apparatus in such a manner that the lighting apparatus emits light for forming the at least one light distribution described by the set of parameters in a region in front of the lighting apparatus, wherein a control unit which is designed separately from the lighting apparatus and the light control device is allocated to the light control device, said control unit being configured - to receive user inputs and - to transmit the user inputs to the light control device, wherein the light control device is configured - to modify the set of parameters to arrive at another set of parameters describing at least one other user-defined light distribution according to the user inputs, and - to adjust the lighting apparatus in such a manner that the lighting apparatus emits light for forming the at least one other light distribution according to the other set of parameters in a region in front of the lighting apparatus, characterized in that the control unit additionally is configured - to recall the set of parameters from the light control device, - to modify the set of parameters to arrive at the other set of parameters according to the user inputs, and - to transmit the modified set of parameters to the light control device, wherein - the control unit includes a first portion and a second portion, wherein the first portion is designed as a portable terminal and the second portion is designed as a vehicle board computer.