2013 Toyota Tundra Regular Cab Owners Manual - Page 562
2013 Toyota Tundra Regular Cab Manual
Page 562 highlights
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. NOTICE