Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

Emergency Contact Button: Service and Repair

OnStar Button Assembly Replacement

OnStar Button Assembly Replacement

The OnStar (R) 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 Inside Rearview Mirror Replacement.