A preferred embodiment of an automotive vehicle roof system includes a detachable convertible roof that covers a rear storage compartment and at least a portion of a passenger compartment of the vehicle. In another aspect of the present invention, the retracted convertible roof may be removed entirely from the vehicle by disengaging quick release attachment devices. Yet another aspect of the present invention provides the ability to operate the convertible roof independently of the vehicle's rear backlite. In a further aspect of the present invention, an adjustable tensioning device is employed.