Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Quick Release Tab On Microphone

Courtesy of GENERAL MOTORS CORP.

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 2: OnStar® Microphone Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Connect the electrical connector to the OnStar® microphone (1).
Install the overhead console. Refer to Console Replacement - Overhead (Envoy XUV) or Console Replacement - Overhead (Trailblazer, Envoy, Rainier) in Interior Trim.