Cal. Civ. Proc. Code § 1281.98
(a)
(b) If the drafting party materially breaches the arbitration agreement and is in default under subdivision (a), the employee or consumer may unilaterally elect to do any of the following:
(c) If the employee or consumer withdraws the claim from arbitration and proceeds in a court of appropriate jurisdiction pursuant to paragraph (1) of subdivision (b), both of the following apply: