美国密执安州大学预测2005年汽车电装成本占整车成本的比例将从目前的15％上升到20％。2005年北美生产轿车上,各种电装系统以OEM原装厂所占百分比别为:巡驶(经济车速)控制85％,电子门锁40％,全电式制动30％,防盗25％,CD唱机20％,蜂窝电话10％,自诊断(不包括强制安装排放自诊)10％,讯息系统10％,电子后 University of Michigan in the United States predicts that the cost of automotive electronics in 2005 the proportion of vehicle costs will rise from the current 15% to 20%. In 2005, the production of cars in North America, all kinds of electrical system to OEM OEM percentage: the cruise (economic speed) control 85%, 40% electronic locks, all-electric brake 30%, anti-theft 25% 20% of CD player, 10% of cell phones, 10% self-diagnosis (excluding compulsory installation of emission self-diagnosis), 10% of information system, electronic