A roof rack assembly is provided for a motor vehicle roof. The roof rack assembly includes a support member adapted to be fixedly secured to the roof. The support member includes first and second flanges extending out therefrom. A crossrail is releasably coupled to the support member for movement between a stowed position and a deployed position. The crossrail is engageable with the first flange when in the stowed position and engageable with the second flange when in the deployed position.
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