Onstar (R) Button Assembly Replacement

The OnStar(R) button is part of the rear view mirror assembly. If the button malfunctions, you must replace the rear view mirror assembly. Refer to Rearview Mirror Replacement (DD7) or Rearview Mirror Replacement (UE1) in Stationary Windows.

For a description of the RPO Code(s) shown in this article or of the images therein, refer to the RPO Code List found at Vehicle/Application ID. RPO Codes