OnStar Button Assembly Replacement

WARNING: This page is about a different car, the 2009 GMC Envoy and 2009 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of OnStar Button Assembly

Courtesy of GENERAL MOTORS CORP.

The OnStar ® button assembly located on the inside rearview mirror can not be serviced separately. Should the button assembly need to be replaced, the entire inside rearview mirror assembly will need to be replaced. Refer to Inside Rearview Mirror Replacement .