Removal Procedure

WARNING: This page is about a different car, the 2009 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

Remove the communication interface module. Refer to Communication Interface Module Replacement .
Remove the communication vehicle interface unit. Refer to OnStar Vehicle Interface Unit Replacement .

Fig 1: View Of Communication Interface Module Bracket & Fasteners

Courtesy of GENERAL MOTORS CORP.

Remove two module bracket mounting screws from each side of the module.
Remove the module bracket.