10. The method of claim 4 wherein the user is a driver of a motor vehicle, the determining step including compensating, when recognizing the alphanumeric character, for movement of a finger of the user caused by acceleration and/or deceleration of the motor vehicle.
4. The method of claim 1 wherein the informing step includes asking the user for confirmation that the alphanumeric character and/or word is an alphanumeric character and/or word that the user intended to be determined in the determining step.