Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

If installation of the mounting bracket is required, install the mounting bracket to the overhead console.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the 2 OnStar® microphone retaining screws.
Tighten

Tighten the screws to 0.8 N.m (7 lb in).
Install the microphone to the mounting bracket ensuring the quick release tab (1) is fully seated.

Fig 1: Installing Mounting Bracket To Overhead Console
Courtesy of GENERAL MOTORS CORP.
Connect the electrical connector to the OnStar® microphone (1).
Install the overhead console. Refer to OVERHEAD CONSOLE REPLACEMENT - FRONT in Interior Trim.

Fig 2: Connecting Electrical Connector To Onstar® Microphone
Courtesy of GENERAL MOTORS CORP.