FixVault

Mobile Telephone Microphone Replacement

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View of OnStar(R) Microphone
GM1698635Courtesy of GENERAL MOTORS CORP.
Mobile Telephone Microphone Replacement

Callout Component Name
1 Mobile Telephone Microphone Assembly
Tip: 
  1. Disengage the tabs of the microphone assembly from the inside rearview mirror assembly using a small flat bladed tool.
  2. Disconnect the electrical connector.