Rear vent and rear air-duct connecting piece, removing

Use a suitable tool (fabricate and create in workshop: screwdriver bent through 90°, 6-10 mm) to pull rear vent -1- out of rear section of center console.
Disconnect connectors for cigarette lighter, vent light and rear heated seat.
Pull rear air-duct connecting piece -2- off air duct -3-.

Fig 1: Disconnecting Connectors For Cigarette Lighter

Courtesy of AUDI OF AMERICA, INC.