2013 Toyota Tundra CrewMax Owners Manual - Page 150
2013 Toyota Tundra CrewMax Manual
Page 150 highlights
2 -1 . Driving proc e dure s Tur n signa l leve r Left turn Right turn Move and hold the lever partway to signal a lane change. The left hand signal will flash until you release the lever. Move and hold the lever partway to signal a lane change. The right hand signal will flash until you release the lever.