WARNING: This page is about a different car, the 2007 Saturn Ion Red Line, 2007 Saturn Ion 3, and 2007 Saturn Ion 2. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Front Upper Speaker
Courtesy of GENERAL MOTORS CORP.
Connect the speaker electrical connector.
Install the trim panel by sliding the lower tabs behind the door trim.