Security system and method for monitoring vehicular compartments includes at least one optical image receiving unit arranged to receive optical images of a compartment of the vehicle, e.g., from at least a portion of the face of a person located at a driver's station in a passenger compartment of the vehicle, and produce image signals therefrom and a processor including an electronic facial-recognition system coupled to the optical image receiving unit(s) responsive to the image signals and controllably coupled to the enabling system, and an electronic storage device coupled to the facial-recognition system to store a set of image signals. The facial-recognition system enables ignition of the vehicle system only if signals representative of select characteristics of a scanned face of the person derived from the image signals produced by the optical image receiving unit(s) match a member of a set of signals stored in the electronic storage device. Each member representative of select characteristics of the scanned face of an authorized operator.