State lemon law changes to coverage, mileage, presumption periods, used car and EV coverage and arbitration rules, manufacturer buyback and arbitration program changes, title washing, salvage, flood and branded title rule changes, odometer and tampering enforcement, dealer disclosure and as-is sale rule changes, extended warranty and service contract enforcement, vehicle history report changes and recalls that trigger buyback eligibility, with the state, manufacturer or rule first and what an owner can demand.