本设计充分利用了GSM模块功能，将现有汽车防盗技术与GSM相结合，实现了一种更为安全、可靠、实用防盗方案，充分发挥步进电机和单片机技术的优势，实现了一种低成本的电子巡航控制系统（CCS）,让驾驶员充分享受匀速行驶的乐趣,同时也改善了汽车的燃料经济性和排放性能。-The design makes full use of GSM module, the existing GSM car alarm technology and combined to achieve a more secure, reliable, practical anti-theft program, give full play to the stepper motor and single-chip technology, to achieve a kinds of low-cost electronic cruise control system (CCS), allowing the driver to fully enjoy the fun of traveling uniform, but also improved the car s fuel economy and emissions performance.