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 Outside Door Handle
Courtesy of GENERAL MOTORS CORP.
Lift up on the door handle.
Slide the door handle rearward to install the handle onto the pivot assembly.