MODULAR ROOF RACK ASSEMBLY AND RECONFIGURATION METHOD

A motor vehicle roof rack assembly according to an exemplary aspect of the present disclosure includes, among other things, side rails of a roof rack. The side rails each extend longitudinally from a first end portion to a second end portion. The assembly also includes crossbars of the roof rack. The roof rack is configured to transition between a first configuration and a second configuration, In the first configuration, the first end portions of the side rails are each coupled to a corner. In the second configuration, the first end portions of the side rails are each coupled to a rail extender.