Last week, Volkswagen (VOWG_p.DE) said it was offering a $500 prepaid Visa gift card, a separate card good for $500 toward services at a VW dealerships and free 24-hour roadside assistance for three years. VW spokeswoman Jeannine Ginivan said 120,000 owners have signed up to receive the gift cards – or about one quarter of the 482,000 vehicle owners covered by the emissions scandal. VW said taking part does not prevent owners from filing lawsuits.