买车险是保障车辆安全和车主自身利益的重要措施。以下是一些为什么需要购买车险的原因：

1. 保障车辆安全：车辆保险可以提供车辆维修、救援、拖车、事故处理等方面的保障。如果车辆出现意外事故或故障，保险公司可以为车主提供及时的帮助和支持，保护车辆的安全和完整性。英文翻译为Securing vehicle safety: Auto insurance provides protection for vehicle repairs, rescue, towing, accident handling, etc. If there is an accident or malfunction with the vehicle, the insurance company can provide timely assistance and support to protect the safety and integrity of the vehicle.
2. 保障车主利益：车辆保险除了可以保障车辆安全外，还可以为车主提供自身利益的保障。例如，如果车主不小心驾车撞到人或物，保险公司可以为车主承担一部分或全部赔偿责任，减轻车主的经济压力。英文翻译为Securing the interests of vehicle owners: Auto insurance not only provides protection for vehicle safety but also ensures the interests of vehicle owners. For example, if the vehicle owner accidentally hits someone or something while driving, the insurance company can assume partial or full liability for compensation, relieving the financial pressure on the owner.
3. 遵守法律法规：购买车险是遵守国家法律法规的必要条件。在中国，车辆必须购买交通事故责任强制保险（交强险）和第三者责任险（三者险）等法定保险，否则将无法合法上路。英文翻译为Complying with laws and regulations: Buying auto insurance is a necessary condition for complying with national laws and regulations. In China, vehicles must purchase compulsory insurance such as the Traffic Accident Liability Insurance (TLIS) and Third Party Property Damage Liability Insurance (TPDL), otherwise they will not be able to drive legally.
4. 提升车辆价值：购买车险可以为车辆提供更全面的保障，提升车辆的价值和信誉度。如果车辆遭受意外损害或毁损，保险公司可以为车主提供经济赔偿，保护车主的财产安全。英文翻译为Enhancing vehicle value: Buying auto insurance can provide comprehensive protection for vehicles, increasing their value and creditworthiness. If the vehicle is damaged or destroyed due to accidents or natural disasters, the insurance company can provide financial compensation to protect the property interests of the vehicle owner.