2010 Toyota Highlander Owners Manual - Page 522

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. Vehicles without navigation system Press the switch to flash all the turn signal lights. To turn them off, press the switch once again. Vehicles with navigation system Press the switch to flash all the turn signal lights. To turn them off, press the switch once again. NOTICE n To prevent battery discharge Do not leave the emergency flashers on longer than necessary when the engine is not running. 498