Castrol offers a multi-application product called Transmax Import ATF. In addition to numerous earlier Toyota ATF specifications, this product also meets the T-IV specification, and also transmissions made by Toyota subsidiary Aisin Seiki Co., maker of Aisin-Warner automatic transmissions for Audi,Toyota, Saab, Volvo, Volkswagen, Porsche, and others. On sale this past week at selected K-Mart locations for $4.79 per quart (regularly $5.99). Note that Castrol also makes an ATF which is specifically applicable for Nissan and certain other models which have a non-E CVT. The Prius, of course, has an E-CVT, which is quite different from a non-E CVT.