Patent ID: 7429051

Claim:
A driver assistance system for coupling a trailer coupling mounted on a vehicle to a counterpiece mounted on a trailer, the driver assistance system comprising: a control unit provided in the vehicle; a vehicle level regulation system coupled with the control unit, the vehicle level regulation system including at least one actuator for raising or lowering a back part of the vehicle; and a sensor unit for sensing at least the counterpiece, the driver assistance system being operatively configured such that when a predefined first condition holds, the control unit controls the at least one actuator such that at least the back part of the vehicle is lowered and/or when a predefined second condition holds, the control unit controls the at least one actuator such that at least the back part of the vehicle is raised, wherein the predefined first condition holds if, as detected by the sensor unit, at least one of: a distance between the trailer coupling mounted on the vehicle and the counterpiece mounted on the trailer falls below a predefined distance value, the trailer coupling mounted on the vehicle is drivable together with the counterpiece mounted on the trailer without alignment, and an operating element of the vehicle level regulation system is actuated.