A class action is a lawsuit brought against a company by someone who has a claim that is similar to others’ claims. The person who brings the lawsuit is called the “class representative,” and that person is responsible for continuing the case on behalf of all others similarly situated. You will need a strong consumer protection attorney or automotive defects attorney to advise you on the nature of the claim.
If a recovery is received, either by settlement or through trial, the net funds are distributed to all class members. You may have experienced this over the years, where you receive a class action check in the mail that you were not expecting. That would have been your share of the recovery for that case.