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

Exterior Bumper Antenna

Disconnect the negative (-) battery terminal.
Remove the rear bumper cover.
(Refer to Body - "REAR BUMPER COVER ")
Disconnect the connector (A), and then remove the rear bumper antenna (B) by loosening the mounting screws.

Fig 1: Locate Rear Bumper Antenna And Connector With Mounting Screws
Courtesy of KIA MOTORS AMERICA, INC.