It seems as Section 335.1 of the Code of Civil Procedure provides a general 2 year statute of limitations for personal injury actions in California.335.1.  Within two years:  An action for  assault, battery, orinjury to, or for the death of, an individual caused by the wrongfulact or neglect of another.That said, there are so many circumstances that can change that result -- with exceptions and conditions -- such as if someone is under 18, or out of state, etc. that you should get the advice of a lawyer you've retained, and this answer is not a substitute for your own lawyer's answer.In any event, your auto liability insurance carrier will defend you and assert the statute of limitations as a defense if it applies.