WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View of Theft Deterrent Alarm, Mounting Bolts, and Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Remove the theft deterrent alarm electrical connector.
Remove the theft deterrent alarm bracket mounting bolts and the theft deterrent alarm.