2012 Toyota Prius Owners Manual - Page 554

2-3. Operating the lights and windshield wipers Type B The lights (except daytime running lights) turn off. The side marker, parking, tail, license plate and instrument panel lights turn on. The headlights and all the lights listed above turn on. The headlights, parking lights and so on turn on and off automatically (when the "POWER" switch is in ON mode). 2 When driving 251