Emergency Contact Button: Service and Repair
OnStar Button Assembly Replacement
OnStar Button Assembly Replacement
* The OnStar(R) button assembly is integrated into the rearview mirror assembly and cannot be serviced separately from the rear view mirror assembly.
* Should the OnStar(R) button assembly require servicing, the entire rearview mirror assembly will need to be replaced. Refer to Inside Rearview Mirror Replacement (Inside Rearview Mirror Replacement) .