This document describes an online car rental portal that allows customers to view available cars, register profiles, and book cars. It has modules for users to book cars, view bookings, update profiles, and logout. The admin module allows admins to manage vehicle brands, vehicles, bookings, queries, users, and dashboard metrics. The system is built using PHP for the backend and uses a MySQL database. It provides advantages like being fully functional and flexible and streamlining administrative processes. Features include automation, a friendly interface, access control, easy updating and strong security.