The invention improves accuracy of engagement of a pinion and a rack with each other in an automatic openingclosing device for a vehicle. Related processes for selecting and purchasing food, for producing food energy data and for producing a food product are provided. Each of the images comprises a pixel array having a first dimension and a second dimension. The memory, CPU, audible indicator, light source, switch, camera, transceiver, microphone, impact tool, and aromatic element may be any types well known in the art. When a notification mode for notifying the first information by using a notification unit is selectedset by operating a key unit, this first information is notified by employing a light-emitting diode for notifying a message reception, an LCD back light, a KEY back light; or a vibrator.