July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal Procedure

Remove the front seat belt buckle nut (1).
Disconnect the electrical connection (2). The right seat buckle is shown, the left is similar.
Remove the seat belt buckle from the vehicle.

Fig 1: Removing Front Seat Belt Buckle Nut
Courtesy of GENERAL MOTORS CORP.