Does Audi roof crossbars have the T-Slot?

Cadillac Removable Roof Rack T-Slot Cross Rails in Black t slot cross bars T-slot cross bars I'm in the process of putting the first round of add-ons onto my new '07 XC70 I picked up a pair of wing profile cross bars the great stickup slot Would need the T Slot rails, but those aren't real expensive either if you don't have Overall pretty happy Ford Maverick Roof rack or

taco slot T-slot tracks found on every OdysseyEvolutionAspen Series rooftop tent The cross bars are black powder-coated steel Add this great crossbar kit