The center vent with the valve housing on the dashboard

Fig 1: Detaching Catches Closest To Weatherstrip Tool And Prying Out And Detaching Vent At Same Time

Courtesy of VOLVO CARS OF NORTH AMERICA.

Position a straightening tool on the short side of the vent

Detach the catches closest to the weatherstrip tool and pry out and detach the vent at the same time.

Disconnect the connector for the hazard warning signal flasher.

Install in reverse order.