2011 Toyota Prius Owners Manual - Page 518

5 -1 . Esse nt ia l inform a t ion Em e rge ncy fla she rs Use the emergency flashers if the vehicle malfunctions or is involved in an accident. Press the switch to flash all the turn signal lights. To turn them off, press the switch once again. ITO51P101 NOTICE n To prevent 12 volt battery discharge Do not leave the emergency flashers on longer than necessary when the hybrid system is not operating. 496 PRIUS_U (OM47685U) DVD