( October 13, 2026, 1:34 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on Oct. 13 denied a car manufacturer’s petition for a writ of certiorari seeking review of a Ninth Circuit U.S. Court of Appeals ruling that the manufacturer claimed contributed to a circuit split regarding the enforceability of delegation clauses in arbitration agreements by nonsignatories, leaving in place the Ninth Circuit ruling affirming the denial of the manufacturer’s attempt to compel arbitration of class claims over an alleged headrest defect....