The motivation behind this research is the growing popularity of web-based systems and the need to explore the Short Message Service (SMS) technology that industries could tap into to enhance their services to the customers. This paper described a notification-based content alert and web-based system using SMS technology. It was specifically developed for the alert notification to the customers about the car rental information, and the availability of the car reserved. The main purpose of developing SMS-based content alert for car rental system is to reduce the cost and time consumed, which is beneficial to the car rental agencies and customers. Therefore, the system was designed automatically to send an ...