Locking
system for a vehicle, in which a locking / unlocking function can be initiated by the activation of at least one capacitate sensor located on an external
handle of the vehicle entry, wherein the sensor includes at least a second control surface not accessible to the user or accessible only with difficulty, via which the
impact of environmental influences on the sensor by can be distinguished from the activation of the sensor by the user through detection of control surface selective
signal changes at the sensor. Method for operating a locking
system for a vehicle, in which the vehicle is locked upon detection of an intention to lock or unlock by an activation of a first control surface by the hand of the user, and the authority to do so is confirmed using a data carrier, and that the vehicle is not locked or unlocked, when the
control unit recognizes an environmental influenced activation of the sensor by the activation of the first as well as a second sensor, the second sensor not accessible to the hand of the user or accessible only with difficulty.