An attachment system for securing an accessory to a vehicle is disclosed. The attachment system generally comprises at least a locking mechanism mountable to, or integral with, the accessory, and a base mounted to, or integral with, the vehicle. The locking mechanism generally comprises an actuator configured to actuate or displace at least a pair of locking elements between an inoperative (or unlocked) position and an operative (or locked) position. The base generally comprises at least one opening configured to at least partially receive the locking mechanism. The attachment system generally allows the installation and removal of the accessory by actuating the actuator of the at least one locking mechanism.