To deal with counterclaim of vehicle accident, distinguishing whether it is the fault of automobile itself or the mistakes of driver, American and European manufacturers have developed the recorder of automobile driving state since 90 ages.

• 为了处理应接不暇的交通事故索赔，分清是汽车产品本身的功能缺陷或可靠性问题，还是驾驶员的失误操作，从90年代开始，美国和欧洲的制造厂商们纷纷组织人力开发研制汽车行驶状态记录器。