Operation CHARM: Car repair manuals for everyone.

Onstar Microphone

REMOVAL




1. Remove the A-pillar trim, sunshade assembly and front assist handle.
2. Lower headliner in front only.
3. Reach in assist microphone assembly while turning counter-clockwise direction.
4. Disconnect the 2-way connector located above headliner.
5. The microphone will snap out of bezel.

INSTALLATION




1. Connect the 2-way connector to microphone.
2. Insert microphone assembly and rotate.
3. Install headliner components as removed.
4. Microphone is directional in bezel, position microphone so arrow on back faces the driver.