Installation Procedure

WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying 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 .

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: Identifying OnStar Microphone Components

Courtesy of GENERAL MOTORS CORP.

Connect the electrical connector to the OnStar® microphone (1).
Install the overhead console. Refer to Roof Console Replacement .