For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningInstallation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the front
wheelhouse panel rear reinforcement as noted from the original
panel.
Drill 8 mm (5/16 in) for plug welding where front wheelhouse front panel
and front wheelhouse panel rear reinforcement overlap ...
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Collision Sectioning Warning in the Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Dis ...
Overview
1.
• Turns the system on or off and adjusts the volume.
2. Buttons 1 to 6
• Radio: Saves and selects favorite stations.
3.
• Radio: Seeks the previous station.
• CD: Selects the previous track or rewinds within a track.
4.
• CD: Pauses playback, and stops playback.
5.
• Radio: ...