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 Steering Wheel Cruise Control Switches
Courtesy of GENERAL MOTORS CORP.
If the vehicle is equipped with cruise control, install the switches by pushing them in place from the front of the wheel.