2012 Toyota Sienna Owners Manual - Page 275
2012 Toyota Sienna Manual
Page 275 highlights
2 -1 . Driving proc e dure s Tur n signa l leve r The turn signal lever can be used to show the following intentions of the driver: Right turn Left turn Lane change to the right (push and hold the lever partway) The right hand signal will flash until you release the lever. 2 When driving Lane change to the left (push and hold the lever partway) The left hand signal will flash until you release the lever.