As myself and several have pointed out, there's no way yet, regardless of any attempts.

[Jetfire shrugs, eyeing Sideswipe. If he was more easily stirred, Sideswipe's response may have aroused some apology, but given the snarkiness that had abounded earlier... Well.]

If there was, most of us wouldn't be present, as I doubt that no matter if we can help or not, that the Firstforged truly would prefer us remaining on their Cybertron.