A vehicle-mounted image record system for ensuring safe driving of a vehicle by recording images of a portion of the vehicle and a surface of a road in the vicinity of the vehicle so as to monitor the driving habits of a driver. The plurality of nanoparticles includes at least one dopant and at least one of a metal oxide, a metal phosphate, a metal silicate, a metal hafnate, a metal aluminate, and combinations thereof. When the addresses match in a test mode, instead of outputting normal status data, a predetermined value of the replacement data register is output in response to a read request from the microprocessor.