Unless you opted out of the arbitration requirement in the first 30 days of ownership you can't sue or participate in a class action.
We will get a test of this real soon, as Tesla has recently filed to compel binding
individual arbitration for plaintiffs in another class action because they are bound by mandatory arbitration. (They were used Tesla purchases, I don't know if that makes a difference.)
https://www.courtlistener.com/recap/gov.uscourts.cacd.753453/gov.uscourts.cacd.753453.15.0_1.pdf
I'm not sure when Tesla added the mandatory arbitration clause to their contracts, or if it was always there, but I see it is in the current ones, and the ones they are trying to get compelled date back to at least October, 2017.